"You can do two things at once, but you can’t focus effectively on two things at once."

— Gary Keller; Jay Papasan, The ONE Thing (2013)

Introduction

The One Thing
 
Full titleThe ONE Thing: The Surprisingly Simple Truth Behind Extraordinary Results
AuthorGary Keller; Jay Papasan
LanguageEnglish
SubjectProductivity; Time management; Personal development
GenreNonfiction; Self-help
PublisherBard Press
Publication date
1 April 2013
Publication placeUnited States
Media typePrint (hardcover, paperback); e-book; audiobook
Pages240
ISBN978-1-885167-77-4
Goodreads rating4.1/5  (as of 5 November 2025)
Websitethe1thing.com

📘 The ONE Thing is a 2013 self-help book by Gary Keller and Jay Papasan, published by Bard Press, which argues that extraordinary results come from concentrating on a single priority. [1] It centers on a single tool—the Focusing Question, “What’s the ONE Thing I can do such that by doing it everything else will be easier or unnecessary?”—and on time blocking as the daily practice that makes that focus real. [2] The book is arranged in three parts (“The Lies,” “The Truth,” and “Extraordinary Results”) in brief chapters that end with “Big Ideas” recaps and a direct, coaching register. [2] Trade reviewers described the prose as energetic and prescriptive—Publishers Weekly praised its “appealing style and energy” while noting its coach’s verve. [1] The title debuted strongly: the authors’ company reported it reached #1 on the *Wall Street Journal* business list, #2 on the *New York Times* Advice/How-To list, and sold more than 60,000 copies in its first month in May 2013. [3]

Chapter summary

This outline follows the Bard Press hardcover first edition (1 April 2013; 240 pp.; ISBN 978-1-885167-77-4).[4][5]

🎯 1 – The ONE Thing. On 7 June 1991, the comedy film *City Slickers* (112 minutes) put a crisp idea on the screen when Jack Palance’s trail boss Curly held up one finger and told Billy Crystal’s Mitch that life turns on “one thing.” In the years that followed I hit a wall running Keller Williams and asked a coach to unpack the work. He mapped the org chart and concluded that 14 key seats needed new people. I stepped down as CEO and made hiring those 14 my singular mission. Within three years the company began a nearly decade-long run averaging about 40 percent growth year over year, shifting from a regional player to an international contender. Coaching my top people, I saw long task lists produce motion without results, so I kept shrinking them until a single priority stood front and center each week. The language of the The ONE Thing emerged from that practice and from a simple, repeatable question that made every next action obvious. I call the approach “going small,” a bias toward the essential that trades breadth for progress. The lesson is that focus converts effort into traction. Narrowing attention reduces decision friction and channels limited time and energy into the one action most likely to move everything else. *The way to get the most out of your work and your life is to go as small as possible.*

🧩 2 – The Domino Effect. In Leeuwarden, Netherlands, on Domino Day, 13 November 2009, Weijers Domino Productions set more than 4,491,863 dominoes and released over 94,000 joules—about the energy of 545 push-ups—from a single tap. In 1983, University of British Columbia physicist Lorne Whitehead showed that one domino can topple another 50 percent larger, turning a line into a geometric progression. In 2001, San Francisco’s Exploratorium built eight plywood dominoes from two inches to nearly three feet tall; the chain began with a soft tick and ended with a loud slam. Extrapolated, the 10th domino reaches Peyton Manning’s height, the 18th rivals the Leaning Tower of Pisa, the 23rd clears the Eiffel Tower, the 31st rises more than 3,000 feet above Everest, and the 57th spans the distance from Earth toward the moon. The physics is simple: line up potential energy, then tip the lead piece to unlock outsized force. In life, priorities rarely arrive prearranged, so array them daily, find the lead domino, and keep striking it until it falls. Small wins then compound into breakthroughs. Extraordinary results come from sequential focus, not simultaneous effort; when the right first action falls, the rest becomes easier or unnecessary. *Success is built sequentially.*

👣 3 – Success Leaves Clues. Extraordinary enterprises tend to be known for one thing. KFC began with one guarded chicken recipe. Adolph Coors grew roughly 1,500 percent from 1947 to 1967 on a single beer brewed in one plant. Intel’s revenue is driven largely by microprocessors. Google’s search enables its ad engine. In the *Star Wars* universe, merchandise revenue has surpassed $10 billion versus about $4.3 billion in combined box office for the first six films. Apple shows how a company can transition its ONE Thing over time—from Macs to iMacs to iTunes to iPods to iPhones (with iPad waiting in the wings)—while the flagship casts a halo that lifts the line. The pattern holds for people: Walt Disney had Roy Disney opening doors; Sam Walton relied early on L. S. Robson’s $20,000 backing and a pivotal lease; Albert Einstein benefited from mentor Max Talmud; Oprah Winfrey credits her father and adviser Jeffrey D. Jacobs; the Beatles’ studio sound was shaped by producer George Martin. One passion can mature into one signature skill: painter Pat Matthews produced a painting a day; guide Angelo Amorico built a business from love of country; runner Gilbert Tuhabonye survived a 1993 massacre in Burundi, earned six All-America honors at Abilene Christian University, and later founded Austin’s Gazelle Foundation and its “Run for the Water.” Concentration organizes resources, attracts allies, and creates a flywheel where mastery, results, and reputation reinforce one another. Focused effort also yields spillover effects—the “halo”—that make adjacent wins more likely. *If today your company doesn’t know what its ONE Thing is, then the company’s ONE Thing is to find out.*

I – The Lies: They Mislead and Derail Us

⚖️ 4 – Everything Matters Equally. In the late 1930s at General Motors, managers discovered that a card reader feeding early computing gear was spitting out gibberish. A visiting Western Electric consultant, Joseph M. Juran, took the challenge home, cracked the cipher by three o’clock the next morning, and later used the insight to separate the “vital few” from the “useful many.” That story sets up Pareto’s Principle: a minority of inputs drives a majority of outcomes, whether the split looks like 80/20, 90/20, or another uneven ratio. Left raw, to-do lists become survival lists that reward noise over impact; achievers convert them into short “success lists” by ranking tasks against results. Equality is a worthy social ideal but a poor lens for decisions—work isn’t equal, and neither are tasks on a page. The essential move is to keep asking what matters most until only one thing remains. Focus directs energy to the small set of actions with disproportionate payoff, replacing reactive busyness with traction toward a single outcome. That discipline ties directly to the book’s theme: identify the lead domino and let other work orbit around it. A to-do list becomes a success list when you apply Pareto’s Principle to it.

🔀 5 – Multitasking. In the summer of 2009 at Stanford University, communication professor Clifford Nass tested 262 students, sorted them into high and low media-multitasking groups, and expected the heavy multitaskers to excel; instead, they were outperformed and proved most distractible across measures. Multitasking began as a 1960s computer term for time-sharing a single CPU, not for humans doing two complex things at once. Research on task switching shows the catch: each shift triggers a reorientation cost, with University of Michigan’s David Meyer reporting time losses around 25 percent for simple tasks and well over 100 percent for complex ones. Daily leakage adds up—e-mail and window switching dozens of times per hour and an estimated 28 percent of a workday lost to switching inefficiencies. Juggling looks simultaneous, but it is rapid alternation: catch, toss, catch, toss—one ball at a time. Neuroscience frames this as divided attention across channels; when two tasks tap the same channel—like visual processing while driving—performance degrades sharply. Attempting parallel focus dilutes effectiveness; sequential focus protects depth and quality. Switching taxes working memory and control processes, so choosing one priority preserves cognitive bandwidth for meaningful progress. You can do two things at once, but you can’t focus effectively on two things at once.

🧗 6 – A Disciplined Life. Olympic swimmer Michael Phelps illustrates “selected discipline.” Diagnosed with ADHD and told by a kindergarten teacher he wasn’t gifted, he trained under coach Bob Bowman from age 11 on a daily regimen. From age 14 through Beijing 2008 he swam seven days a week, six hours in the water, calculating a 52-day annual edge over rivals. The haul—six golds and two bronzes in Athens 2004, a record eight golds in Beijing 2008, and by London 2012 a total of 22 medals and 18 golds—shows what one habit can yield. Use short bursts of discipline to install a routine, then let habit carry the load. Evidence from University College London (2009) suggests new behaviors reach automaticity in about 66 days on average; studies by Megan Oaten and Ken Cheng show spillover benefits once a keystone habit sticks. Pick one behavior that moves the needle and marshal just enough will to make it automatic. That preserves effort for performance instead of constant self-control. Habit formation shifts execution from effortful control to procedural memory, freeing attention for the next priority. Success is actually a short race—a sprint fueled by discipline just long enough for habit to kick in and take over.

🪫 7 – Willpower Is Always on Will-Call. In a ten-month field study of Israel’s parole system, Jonathan Levav of Stanford Graduate School of Business and Liora Avnaim-Pesso and Shai Danziger of Ben-Gurion University of the Negev analyzed 1,112 hearings handled by eight judges who decided 14 to 35 cases a day with only two breaks—a morning snack and a late lunch. Approval rates spiked to about 65 percent just after each break and then fell toward zero by the end of a session, exposing decision fatigue and a default to “no” as energy ebbed. This arc of self-control extends to everyday work: implementing new behaviors, filtering distractions, resisting temptations, suppressing impulses or emotions, taking tests, trying to impress others, and choosing long-term over short-term rewards all draw from the same finite reserve. Like a battery indicator sliding from green to red, willpower leaks as the day advances unless it is protected and refueled. Because the resource fluctuates, time-block mornings for the The ONE Thing, when focus is fullest, and keep the tank filled—eat right and regularly—so an “empty” brain doesn’t push you back to default choices. Do what matters most first; then use what remains to support or at least not sabotage that gain. As decisions accumulate, attention narrows and the mind falls back on heuristics; placing the most meaningful action early prevents small, reactive choices from dictating big outcomes. Because willpower waxes and wanes, align your single highest-leverage task with your strongest hours. Willpower isn’t on will-call.

🧘 8 – A Balanced Life. An 11-year study of nearly 7,100 British civil servants found that working more than 11 hours a day—roughly a 55-plus-hour week—raised heart-disease risk by 67 percent, a concrete cost of living at one extreme for too long. Balance is a mirage: nothing stays in equilibrium, and what looks like balance is constant micro-adjustment—counterbalancing—like a ballerina’s toe shoes vibrating en pointe. The term rose with dual-income households in the mid-1980s, and media usage exploded from 32 articles between 1986 and 1996 to 1,674 in 2007 as technology erased boundaries. Personal vignettes—closets of never-worn travel clothes after a parent’s death or a promise to “make up time” that never comes—show how postponement hardens into permanence. Drop the myth of the middle and choose priorities: go long at work on the few things that matter most, and go short in personal life so family, health, friends, and integrity aren’t neglected. James Patterson’s “five balls” parable reframes the trade-offs: work is a rubber ball that bounces; the others are glass. Then separate work and personal “buckets,” time-block the ONE Thing, and return frequently to what you value outside the office. The governing idea isn’t balance but priority; attention given to what matters will tilt the day, and that tilt is the point. An extraordinary life is a counterbalancing act.

🗻 9 – Big Is Bad. Sabeer Bhatia arrived in the United States with $250, built Hotmail, and sold it to Microsoft for $400 million; by 2011 the service had more than 360 million active users, a trajectory his mentor Farouk Arjani linked to the “gargantuan” scale of Bhatia’s dream. This reflex—“megaphobia,” the irrational fear of big—leads people to lower their sights or walk away. “Big” is a design choice: Arthur Guinness signed a 9,000-year lease; J. K. Rowling mapped seven years at Hogwarts before writing book one; Sam Walton structured his estate early for a company he expected to become vast. Nonprofits show the same pattern: Candace Lightner’s Mothers Against Drunk Driving (founded 1980) is credited with saving more than 300,000 lives; Ryan’s Well has brought safe water to over 750,000 people in 16 countries; the Global Soap Project has distributed more than 250,000 bars in 21 countries. Choose a box as large as the future you want so the what, how, and who are designed for that level from the start. Carol Dweck’s work on growth versus fixed mindsets explains why: expecting to grow changes strategies, effort, and resilience, and attracts teammates willing to do hard, memorable things. Big thinking is not a luxury; it is the launch pad for actions that compound. Don’t let small thinking cut your life down to size.

II – The Truth: The Simple Path to Productivity

10 – The Focusing Question. A hand-drawn diagram labeled FIG. 15 shows a big-picture bull’s-eye paired with a “right now” pointer, illustrating how one prompt can be both map and compass for action. Question phrasing shapes the answers we live by, so collapse many questions into a single formulation and ask it repeatedly to line tasks up in levered order. An “anatomy” section breaks the wording into three parts: a firm “can do” commitment, a causal bridge that ties action to outcome, and a leverage test that demands other work become easier or unnecessary. The question has two modes—big-picture direction and small-focus next step—applied across seven life areas, from spiritual life and health to relationships, job, business, and finances. Figures and prompts invite inserting a time frame (right now, this week, this year) to size the answer and make the first domino obvious. Used continuously, the question reduces decision friction and concentrates attention on the act with the greatest knock-on effects. It reveals the lead domino and positions everything else to fall in sequence. What’s the ONE Thing I can do such that by doing it everything else will be easier or unnecessary?

🔁 11 – The Success Habit. Under Arnold H. Glasow’s epigraph, turn the Focusing Question into a daily routine: ask upon waking, on arriving at work, and again at home to keep dominoes aligned. Reframe the prompt by life domain and time horizon, with examples across spiritual life, physical health, personal life, key relationships, job, business, and finances, and use “right now,” “this week,” or “this year” to calibrate urgency. A starter list moves the idea into practice: understand it, use it each day, and keep at it until it becomes automatic—research in the book pegs habit formation at about 66 days. Environmental cues help: a desk sign reserving attention for the ONE Thing, the book’s back cover as a visual trigger, and reminders via notes, screen savers, and calendar alerts. Social reinforcement matters—share the ONE Thing with family and build a small support group at work—so the behavior is cued and mirrored around you. Cues bind the question to context, repetition shifts control from effortful choice to automatic execution, and the most leveraged action rises to the top by default. Asking once becomes a loop that steadily compounds results while protecting focus. Start with the big stuff and see where it takes you.

🛣️ 12 – The Path to Great Answers. Two steps—ask a great question, then find a great answer—drive progress, and a four-quadrant “Great Question” matrix rates prompts by size and specificity. Using sales as an example, “big and specific” beats the other quadrants; convert that prompt into the Focusing Question with an ambitious time frame (for instance, doubling sales in six months) to force leverage. Answers come in three types: doable (already within reach), stretch (near the edge of current ability), and possibility (beyond today’s playbook). The recommended path is to research best practices, study role models, and run targeted experiments until a new, better answer emerges. Asking bigger and more specific questions yields bigger and more specific answers, and those answers expand capacity as you pursue them. The loop tightens focus while widening options—the question reveals the lead domino, and the answer supplies the force to tip it. This operationalizes the promise of sequential, compounding progress driven by one precise, leveraged action at a time. Extraordinary results require a Great Answer.

III – Extraordinary Results: Unlocking the Possibilities Within You

🧭 13 – Live with Purpose. Ebenezer Scrooge in Charles Dickens’s 1843 novella *A Christmas Carol* is a miser whose life runs on money until he meets the consequences of his choices and awakens to a different aim. Through the three Ghosts he sees a life mapped by purpose, priority, and productivity—where he is going, what matters most, and what he does day to day. Read this way, Dickens turns purpose into a working definition: a combination of destination and importance that sets the sequence for action. The triad is explicit—“Live with purpose. Live by priority. Live for productivity.”—and Scrooge’s reversal shows the whole chain changing at once. When purpose shifts from hoarding to helping, priority flips from using people to using money for people, and productivity becomes daily generosity. Practical prompts invite naming a “Big Why” and asking the Focusing Question at the scale of a life, not just a task. The point is not an abstract mission statement but aligned behavior that hums because direction and action match. Purpose clarifies choices and sustains effort when energy is low, turning long horizons into present decisions; meaning amplifies motivation and persistence so one committed aim organizes attention over time. A life lived on purpose is the most powerful of all—and the happiest.

🔝 14 – Live by Priority. Lewis Carroll’s *Alice’s Adventures in Wonderland* frames the lesson: when Alice tells the Cheshire Cat she doesn’t much care where she goes, he replies that any way will do; purpose decides direction, but priority decides the next step. “Goal Setting to the Now” turns that idea into a method: start with a someday goal, then nest five-year, one-year, monthly, weekly, daily, and “right now” targets like Russian matryoshka dolls (FIGS. 24–25). Hyperbolic discounting—the tendency to overvalue near rewards—pulls attention away from the long term, so drag the future into the present and pick the one action that keeps you on track. A scripted cascade walks the wording down from someday to today, then asks you to write the answers. Evidence is specific: in 2008 at Dominican University of California, psychologist Gail Matthews recruited 267 participants across professions and countries; those who wrote down their goals were 39.5 percent more likely to achieve them. When life is on purpose there is always a “should” that belongs at the top. With that single priority named, plan to it and let other work orbit around it so intention becomes daily behavior. Psychologically, translating distant value into a present commitment counters discounting and anchors attention to one decisive move. Pull your purpose through to a single priority built by Goal Setting to the Now, and that priority—that ONE Thing you can do such that by doing it everything else will be easier or unnecessary—will show you the way to extraordinary results.

⚙️ 15 – Live for Productivity. Back with Scrooge, the moral becomes a verb: purpose plus priority demands action now, not someday. The tool is time blocking—make an appointment with yourself for your ONE Thing and treat it as the day’s most important meeting. Practice it plainly: block time early and in big chunks, build a bunker to work unseen, and protect the block with the mantra “Nothing and no one has permission to distract me from my ONE Thing.” When the world intrudes, use the rule “If you erase, you must replace” and reschedule the block immediately. A visible statement—“Until My ONE Thing Is Done—Everything Else Is A Distraction!”—enlists support, and a brain-dump list quiets the urge to switch tasks. Trade time with others when necessary, move the block if you must, but don’t become a victim of circumstances. Extraordinary achievers don’t work more hours; they get more done in the hours they work. Dedicated, uninterrupted intervals reduce switching costs and let depth compound; aligning protected hours with the highest-leverage task turns intention into throughput. Block time early in the day, and block big chunks of it—no less than four hours!

🤝 16 – The Three Commitments. In 1993, psychologist K. Anders Ericsson published “The Role of Deliberate Practice in the Acquisition of Expert Performance” in *Psychological Review*, reporting that elite violinists had each logged more than 10,000 hours of practice by about age 20, often accumulating roughly a decade of focused training—about three hours daily, or four hours a day if you count 250 workdays a year. Mastery is a path, not a finish line, a point illustrated by Jigoro Kano asking to be buried in his white belt and by musicians such as Eddie Van Halen woodshedding for hours. Progress depends on moving from “E” (entrepreneurial—doing what comes naturally) to “P” (purposeful—adopting models, systems, and coaching to break through ceilings of achievement). Accountability then turns effort into outcomes: an accountability partner—for many, a coach—creates a feedback loop, and research cited here notes that people who wrote goals and sent progress reports to a friend were 76.7 percent more likely to achieve them. Together, these commitments—pursue mastery, shift to purposeful methods, and live the accountability cycle—give time blocking its power. Deliberate practice guided by better models and tightened by external accountability makes the right behaviors compound, aligning days around one leveraged priority. More than anything else, expertise tracks with hours invested.

🦹 17 – The Four Thieves. In 1973, seminary students took part in the “Good Samaritan Experiment,” where fewer than half stopped to help a planted victim; among those told to hurry, about 90 percent walked past—evidence that time pressure can override intention. Four thieves of productivity follow. First, the inability to say “no”: Steve Jobs, returning to Apple in 1997, cut the product line from about 350 to 10 and reminded audiences that focus is about saying no. Second, fear of chaos: big efforts generate mess, and even necessary obligations tug at your time block, so accept controlled disorder while protecting the most important work. Third, poor health habits: follow a daily energy plan—eat a real breakfast, move (a pedometer target of 10,000 steps helps), and sleep about eight hours—because running on fumes degrades focus. Fourth, an unsupportive environment: relationships and spaces must align with goals, and research summarized here notes that if a close friend becomes obese you’re 57 percent more likely to do the same, a reminder that behavior spreads through networks. Selective protection of attention—saying no, tolerating temporary disorder, fueling the body, and designing people and place—keeps your priority front and center. Reduce decision load and social drag so the day’s lead domino can fall on time. Personal energy mismanagement is a silent thief of productivity.

🛤️ 18 – The Journey. Begin with a simple exercise: picture your life as large as you can, write down your current income, multiply it by 2, 4, 10, or 20, and ask whether today’s actions could get you there within five years—then adjust behavior to match the answer. Think as big as possible, then go small, because big lives grow through sequential domino runs, not leaps. A brief parable about two inner wolves—Fear and Faith—sets the emotional engine, pointing to the one you feed. A “no regrets” frame follows, citing end-of-life reflections and Bronnie Ware’s list in which the most common regret is not living a life true to oneself rather than to others’ expectations. A father-and-son story closes the loop: given a world map to reassemble, the boy flips the sheet, pieces together the picture of a man, and the world falls into place—a metaphor for aligning the person before the plan. Turn purpose into daily priority and protected productivity so compounding actions replace wishful thinking. Envisioning stretches motivation while narrowing the next step preserves momentum, converting aspiration into a reliable sequence. You are the first domino.

Background & reception

🖋️ Author & writing. Gary Keller is the co-founder and executive chairman of Keller Williams Realty, and Jay Papasan serves as a senior content leader at the company. [6][7] Before this book, Keller’s business writing included the national-bestselling The Millionaire Real Estate Agent (2004), positioning the new title as a general-audience guide rather than a real-estate manual. [8] Keller says the core idea arose from years of coaching when he shortened long task lists to one “Focusing Question.” [2] The manuscript packages the method around habit-building and time blocking, with “Big Ideas” summaries reinforcing each section. [2] In a contemporaneous interview, Keller emphasized prioritization and managing distractions as the practical consequences of the approach. [9] Reviewers also noted the writing’s coach-like tone. [1]

📈 Commercial reception. Keller Williams reported that, as of 4 May 2013, the book had reached #1 on the *Wall Street Journal* business list, #2 on the *New York Times* Advice/How-To list, and sold more than 60,000 copies in its first month. [3] *WSJ*’s combined best-seller chart for the week ended 28 April 2013 also recorded the title. [10]

👍 Praise. *Publishers Weekly* highlighted the book’s “appealing style and energy” and clarity of purpose. [1] *The National* called it a practical guide that “banishes multitasking and to-do lists to the bin,” foregrounding focus on the most important task. [11] Quartz (via Yahoo syndication) underscored the core claim that highly successful people are known for “one thing,” echoing the book’s central message. [12]

👎 Criticism. *Kirkus Reviews* judged that the book offers “encouraging bones of advice worth gnawing on” but is “absent substantial meat,” arguing it skirts specifics. [13] *Publishers Weekly* similarly wrote that, despite its energy, “more intellectual substance would have helped,” calling some points “more rhetoric than argument.” [1] Critics have also noted that the central question repackages familiar productivity principles rather than breaking new theoretical ground, with concerns about specificity reflected in *Kirkus Reviews*’s assessment. [13]

🌍 Impact & adoption. By May 2013 the authors had toured North America with a half-day seminar based on the book, reaching more than 12,000 business leaders. [3] The title’s concepts have been incorporated into corporate learning libraries via services such as GetAbstract, which provides an organizational summary of the book. [14] Public-sector and nonprofit teams have circulated one-page guides for staff training—for example, a Texas statewide program distributed a summary of the book’s core ideas for team use. [15]

Related content & more

YouTube videos

Animated summary of The ONE Thing (12 min)
Gary Keller — How to Focus on the One Important Thing (123 min)

CapSach articles

 

Digital Minimalism

 

Four Thousand Weeks

 

Make Your Bed

 

The Magic of Thinking Big

 

The Compound Effect

 

CS/Self-improvement book summaries


References

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  2. 2.0 2.1 2.2 2.3 "The ONE Thing (front matter and chapters)" (PDF). Internet Archive. Bard Press. 2013. Retrieved 4 November 2025.
  3. 3.0 3.1 3.2 "Keller Williams Realty Founder Hits #1 on Wall Street Journal Bestseller List". Keller Williams Realty. Keller Williams Realty, Inc. 4 May 2013. Retrieved 4 November 2025.
  4. "The one thing : the surprisingly simple truth behind extraordinary results". WorldCat.org. OCLC. Retrieved 4 November 2025.
  5. "The ONE Thing (CIP data page and front matter)" (PDF). Internet Archive. Bard Press. 2013. Retrieved 4 November 2025.
  6. "Gary Keller". Keller Williams Realty International. Keller Williams Realty, LLC. Retrieved 4 November 2025.
  7. "About Jay Papasan". JayPapasan.com. Jay Papasan. Retrieved 4 November 2025.
  8. "Our Story". Keller Williams. Keller Williams Realty, LLC. Retrieved 4 November 2025.
  9. "Gary Keller: How To Find Your One Thing". Forbes. Forbes Media. 23 May 2013. Retrieved 4 November 2025.
  10. "Best-Selling Books, Week Ended April 28". The Wall Street Journal. 3 May 2013. Retrieved 4 November 2025.
  11. "Actions speak louder than to-do lists". The National. Abu Dhabi Media. Retrieved 4 November 2025.
  12. "Forget the long to-do lists and choose one thing to be good at". Yahoo (syndicated from Quartz). Yahoo. 19 April 2013. Retrieved 4 November 2025.
  13. 13.0 13.1 "THE ONE THING". Kirkus Reviews. Kirkus Media. 2013. Retrieved 4 November 2025.
  14. "The One Thing". GetAbstract. GetAbstract AG. Retrieved 4 November 2025.
  15. "The ONE Thing — Summary of Concepts" (PDF). Achieving Together (Texas). Texas Department of State Health Services partners. Retrieved 4 November 2025.