On Self

"If you admit your faults, then other people can't point them out at you."

— Kevin Rose, "The Tim Ferriss Show Episode 1"

"I am not who you think I am. I am not who I think I am. I am who I think you think I am."

— Charles Horton Cooley

"We don't even know what our desire is. We ask other people to tell us our desires."

— René Girard

"There is nothing more important to true growth than realizing that you are not the voice of the mind — you are the one who hears it."

— Michael A. Singer, "The Untethered Soul"

"Behold yon miserable creature. That Point is a Being like ourselves, but confined to the non-dimensional Gulf. He is himself his own World, his own Universe; of any other than himself he can form no conception… Yet mark his perfect self-contentment, and hence learn this lesson, that to be self-contented is to be vile and ignorant, and that to aspire is better than to be blindly and impotently happy."

— Edwin A. Abbott, "Flatland"

"I've been thinking. Tomorrow it will be twenty-eight years to the day that I've been in the service… But there are times when suddenly you realize you're nearer the end than the beginning. And you wonder, you ask yourself, what the sum total of your life represents. What difference your being there at any time made to anything… But tonight… tonight!"

— Colonel Nicholsen, "The Bridge on the River Kwai"

"Wheat stocks heaviest with grain bow the lowest."

— Japanese Proverb

"So we beat on, boats against the current, borne back ceaselessly into the past."

— F. Scott Fitzgerald, "The Great Gatsby"

On Others

"Empathy is not the truth — it's not the reality — it's the other side's point of view."

— Chris Voss, "MasterClass 0.3. Labeling"

"Whenever you are observing an entity from the outside and they are apparently engaged in crazy or irrational behavior, it's rarely because the entity is actually irrational. It's usually because you are lacking some information about the internal mechanisms of what's going on."

— Colin Gregory Palmer Grey, "H.I. #15: Books Made of Paper"

"…when you look directly at an insane man all you see is a reflection of your own knowledge that he's insane, which is not to see him at all."

— Robert M. Pirsig, "Zen and the Art of Motorcycle Maintenance"

"Those on the fringes are often the harbingers of what is to come."

— Jamie Bartlett, TEDx Talk

"A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die and a new generation grows up that is familiar with it…"

— Max Planck, "Scientific Autobiography and Other Papers"

"If people are saying bad things about you, you don't have to defend it. Because your friends will know it's not true, and the people that don't like you, they're not going to believe it when you do defend yourself anyway, so just don't engage."

— Destin Sandlin, "No Dumb Questions Ep. 7"

"As long as some minds remain a mystery, so too will all minds."

— Michael Stevens, "Divergent Minds — Mind Field S2 Ep 7"

"If there's one person around you who makes you feel defensive, you lose the confidence to play and it's good-bye creativity… Always be positive and build on what's been said."

— John Cleese, Lecture on Creativity

"Be an improviser and change the world: make a connection, listen, say 'yes, and…', be in the moment, stay flexible, avoid preconceived ideas, respect other people's choices, listen to your inner voice, and follow your intuition."

— Jennifer Hunter, "Improv comedy will change the world | TEDxLSSU"

On Knowledge and Philosophy

"You must not fool yourself, and you are the easiest person to fool."

— Richard Feynman, "Surely You're Joking, Mr. Feynman!"

"It's very hard to believe that your intuition is wrong."

— Dan Ariely, "Our buggy moral code"

"The philosopher's school, ye men, is a surgery: you ought not to go out of it with pleasure, but with pain. For you are not in sound health when you enter."

— Epictetus, "The Discourses"

"When we don't know how the things are working, we call it magic… once we know how it is working, it becomes a technique."

— Abdul Bari, "NP-Hard and NP-Complete Problems"

"I do not refuse my dinner simply because I do not understand the process of digestion."

— Oliver Heaviside

"I guess when someone's wrong, they never know how."

— Michael Burry, "The Big Short"

"The art of doing mathematics consists in finding that special case which contains all the germs of generality."

— David Hilbert

"In math, you should always be happy to play with examples that are idealized, potentially well beyond the point of being realistic, because they can offer a good first step in the direction of something more general, and hence, more realistic."

— Grant Sanderson, "Solving the heat equation"

"Confirmation bias is when your brain ignores evidence that doesn't support your beliefs… if you get it in your head that your partner is selfish or inconsiderate, that creates a negative feedback loop of confirmation bias…"

— Mark Rober, "I Gave the MIT Commencement Speech"

"He told me to close my eyes and find a plane based on how it feels… I had inadvertently tipped the plane into a graveyard spiral… How you feel is not necessarily how it is."

— Craig Ferguson, "Riding The Elephant"

"…a very fundamental part of my soul is to doubt and to ask… I have approximate answers and possible beliefs and different degrees of certainty about different things, but I'm not absolutely sure of anything…"

— Richard Feynman, "The Pleasure of Finding Things Out"

"What you see and what you hear depends a great deal on where you are standing. It also depends on what sort of person you are."

— C.S. Lewis, "The Magician's Nephew"

"No, not Northward; upward; out of Flatland altogether."

— Edwin A. Abbott, "Flatland"

"What I cannot create, I do not understand."

— Richard Feynman

"…there is one feature I notice that is generally missing in Cargo Cult Science… It's a kind of scientific integrity, a principle of scientific thought that corresponds to a kind of utter honesty — a kind of leaning over backwards."

— Richard Feynman, "Surely You're Joking, Mr. Feynman"

"…that part of formal scientific method called experimentation, is sometimes thought of by romantics as all of science itself because that's the only part with much visual surface."

— Robert M. Pirsig, "Zen and the Art of Motorcycle Maintenance"

"…there are the astronomers' nightmares: the 'unknown-hidden' uncertainties… We call that a systematic error, and it scares the hell out of us."

— Walter Lewin, "For the Love of Physics"

"There is a hole at the bottom of math. A hole that means we will never know everything with certainty. There will always be true statements that cannot be proven."

— Derek Muller, "Math's Fundamental Flaw"

"We must know. We will know."

— David Hilbert

"Naive you are / if you believe / life favours those / who aren't naive."

— Piet Hein

"You are never dedicated to something you have complete confidence in. No one is fanatically shouting that the sun is going to rise tomorrow."

— Robert M. Pirsig, "Zen and the Art of Motorcycle Maintenance"

"The apparent collapse of the wavefunction is indeed a profound mystery… These makeshift repairs and inventions are needed if science is not to be derailed or demoralized by its lacunae…"

— Philip Ball, "Why Physicists Make Up Stories in the Dark"

"The best story always wins."

— Morgan Housel, Talk

Interdisciplinary

"The trouble with computers is that you 'play' with them!"

— Richard Feynman, "Surely You're Joking, Mr. Feynman!"

"I considered law and math. My Dad was a lawyer. I think though I would have ended up in physics if I didn't end up in computer science."

— Bill Gates, Reddit AMA

"If I were not a physicist, I would probably be a musician."

— Albert Einstein

On Art

"Words make you think a thought. Music makes you feel a feeling. A song makes you feel a thought."

— Yip Harburg

"Not a word out of place, not a word too many, not a word too few. Just enough."

— Graham Nash, "The Gift: The Journey of Johnny Cash"

"There is / one art, / no more, / no less: / to do / all things / with art- / lessness."

— Piet Hein

"If you copy from one author, it's plagiarism. If you copy from two, it's research."

— Wilson Mizner

"The company that tries to make a product that everybody will like usually ends up making a product that nobody likes."

— Mark Manson

On Failure

"Whenever I say something stupid, it's because I thought of the smart thing first."

— Shayne Topp

"Even if there's a little bit of fire, it's not a big deal. This is exactly what we try to do. We learn from everything…"

— SpaceX host

"Scientific questions often have a surface appearance of dumbness… They are asked in order to prevent dumb mistakes later on."

— Robert M. Pirsig, "Zen and the Art of Motorcycle Maintenance"

"At this point, I'm looking at this and thinking 'is this even going to end up being a thing that I love? Am I doing this right?'… And that just makes this par for the course for any build."

— Adam Savage

"You build on failure. You use it as a stepping stone. Close the door on the past."

— Johnny Cash

"Theory often makes it sound as if the various moves being discussed are either 100 percent effective or not at all. Reality is almost always somewhere in between."

— Avinash K. Dixit, "The Art of Strategy"

On Productivity

"He that lets / the small things bind him / leaves the great / undone behind him."

— Piet Hein

"Never be so sure of what you want that you wouldn't take something better."

— Chris Voss, "Never Split the Difference | Talks at Google"

"…there is no difference between inspiration and lack of distraction. They are the same thing."

— Mark Manson

"I can distribute material of bad-to-mediocre quality to a small number of people, or I can distribute material of higher quality to more people. But I can't do both…"

— Neal Stephenson

"The key is not to prioritize what's on your schedule, but to schedule your priorities."

— Steven Covey, "The 7 Habits of Highly Effective People"

"Surprisingly, sometimes giving up on doing things in the perfect order may be the key to getting them done."

— Brian Christian, "How to manage your time more effectively"

"You get more prestige by doing good science than by doing popular science."

— Donald Knuth

Brady: "Did you think it would be finished by now?" Knuth: "Yes, I thought it would be finished by the time my son was born." Brady: "How old is your son now?" Knuth: "55"

"A Very Bad Estimator" — Numberphile

"I love deadlines. I love the whooshing noise they make as they go by."

— Douglas Adams

"Deadlines are good… unless you have a schedule to motivate you to shed all of your uncertainties, you're never going to think it's good enough."

— Destin Sandlin

"Work expands so as to fill the time available for its completion."

— C. Northcote Parkinson, "Parkinson's Law"

"It always takes longer than you expect, even when you take into account Hofstadter's Law."

— Douglas Hofstadter, "Hofstadter's Law"

"As I've told you before, in a job like yours, even when it's finished, there's always one more thing to do."

— Colonel Green, "The Bridge on the River Kwai"

On Now

"As eternity / is reckoned / there's a lifetime / in a second."

— Piet Hein

"In this moment, there is just this. Anything else is just an idea."

— Andy Puddicombe

"Nothing in life is as important as you think it is, while you are thinking about it."

— Daniel Kahneman

"All the time we are aware of millions of things around us… We could not possibly be conscious of these things and remember all of them because our mind would be so full of useless details we would be unable to think."

— Robert M. Pirsig, "Zen and the Art of Motorcycle Maintenance"

"If you're on the right path, it doesn't matter if you don't reach your destination because you were already living it."

— Bruce Achterberg

On Emotions

"All emotions are fleeting."

— Mattieu Ricard, "The habits of happiness"

"To weep is to make less the depth of grief."

— William Shakespeare, "King Henry VI, Part 3"

"We tend to believe that massive outcomes must have massive causes…"

— Peter Hayes, "Why Did the Holocaust Happen?"

"The Gods only condemned Sisyphus to push the boulder… they didn't condemn him to resent the process."

— Stephen West, "Philosophize This! Ep. 87"

Satire

"Can you hear that? That is the majestic hush of a paradigm shift."

— Homestar Runner, "Marzipan's Answering Machine #17"

"Experience is what you get right after you need it."

— Unknown

"Eye of newt and wing of flea, what is next year's GDP?"

Zach Weiner

Misc

"Your bad habits can kill you. But your good habits won't save you."

— Fran Lebowitz, "Pretend It's a City, S1:E5"

"I believe that you don't truly own anything until you have voided its warranty."

— Matt Parker, "De-beep Your Appliances"

"Calculus is the mathematics of change."

— Steven Strogatz

"The luxury of having money isn't being able to indulge in luxuries, it's being able to not worry about money."

— Hank Green

"I am, and ever will be, a white-socks, pocket-protector, nerdy engineer — born under the second law of thermodynamics, steeped in the steam tables, in love with free-body diagrams, transformed by Laplace, and propelled by compressible flow."

— Neil Armstrong, "On Being a Nerd"