Some short words that have stuck with me for their own reasons.

"Privacy is the power to selectively reveal oneself to the world."
Eric Hughes
"The master has failed more times than the beginner has even tried."
Stephen McCranie
"A man of peace is a man of violence."
"A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects."
Robert A. Heinlein
"Your boos mean nothing, I've seen what makes you cheer."
Rick (Rick and Morty)
"Programs must be written for people to read, and only incidentally for machines to execute."
Harold Abelson
"The society that separates its scholars from its warriors will have its thinking done by cowards and its fighting by fools."
"Our greatest glory is not in never failing, but in getting up every time we do."
"The best use of imagination is creativity. The worst use of imagination is anxiety."
Deepak Chopra
"Learning is like a spiral staircase. The higher you go, the more you come around to the same challenges, but you’re at a higher level with them."
"We think we understand the rules when we become adults, but what we really experience is a narrowing of the imagination."
David Lynch
"If one does not know to which port one is sailing, no wind is favorable."
Lucius Annaeus Seneca
"The obvious, I discovered, is not what needs no proof, but what people do not want to prove."
Russell Ackoff
"I have no interest in forecasting the future, only in creating it by acting appropriately in the present."
Russell Ackoff
"Science assumes that reality is structured and organized in the same way universities are."
Russell Ackoff
"Instinct is something which transcends knowledge. We have, undoubtedly, finer fibers that enable us to perceive truths when logical deduction, or any other willful effort of the brain, is futile."
Nikola Tesla
"[Invention’s] ultimate purpose is the complete mastery of mind over the material world, the harnessing of the forces of nature to human needs."
Nikola Tesla
"A termination of one's life is necessary in the scheme of things to provide a logical reason for unselfishness...The fact that there is an end to one's life compels one to take an interest in things that will continue to live after one is dead."
Paul A.M. Dirac
"There are no solutions, only trade-offs."
Thomas Sowell
"Art is not everything, but anyone and anything can be art."
"I have no special talents. I am only passionately curious."
Albert Einstein
"It is better to pay the price of discipline [today] than to pay the price of regret tomorrow."
"Time magnifies the margin between success and failure. It will multiply whatever you feed it. Good habits make time your ally. Bad habits make time your enemy."
James Clear
"The plans of the diligent lead to profit as surely as haste leads to poverty."
King Solomon (Proverbs 21:5)
"Heroes will sacrifice you for the world, but a villain will sacrifice the world for you."
"Nullius in verba (Take nobody's word for it)."
Royal Society of London
"Never discourage anyone...who continually makes progress, no matter how slow."
"Art is a hologram of all that is not art"
"There's no past on the Internet. Everything exists simultaneously."
"When you help someone, you help everyone."
Aunt May (Spider-Man Remastered)
"The flags might be different, but the methods are the same."
Viktor Reznov (Call of Duty: Black Ops)
"Start, do as much, and then finish it. Show and tell. Rinse and repeat."
Ashutosh Nilkanth
"when you don't create things, you become defined by your tastes rather than ability. your tastes only narrow & exclude people. so create."
Why The Lucky Stiff
"Someone's sitting in the shade today because someone planted a tree long ago."
Warren Buffett
"It is very important to have a balanced approach to study and practice."
Dalai Lama (h/t The Art of Game Design: A Book of Lenses)
"Something lives only as long as the last person who remembers it."
"The most difficult subjects can be explained to the most slow-witted man if he has not formed any idea of them already; but the simplest thing cannot be made clear to the most intelligent man if he is firmly persuaded that he knows already, without a shadow of doubt, what is laid before him."
Leo Tolstoy (The Kingdom of God Is Within You)
"Fixed-mindset people feel smart when they don’t make mistakes, growth-mindset people feel smart when they struggle with something for a long time and then finally figure it out."
Aaron Swartz (Believe You Can Change)
"Anger is a potent spice. A pinch wakes you up, too much dulls your senses."
Harry Beltik (Queen's Gambit)
"Time in the market beats timing the market."
"Slow is smooth; smooth is fast."
"Words should be weighted, not counted."
"Human life is too long to devote to reproduction, yet too short to devote to learning, in the helix of time. Perhaps that is why humans succumb to desire and seek release. Despite the fact that life is complete with the sun, the land, and poetry."
Supreme Leader Diego (Hunter x Hunter)
"Construction looks like destruction until it's finished."
"Let the wisdom of nature teach you about the process of life."
Joni Winston
"Whoever keeps his mouth and his tongue keeps himself out of trouble."
Jedidiah / King Solomon (Proverbs 21:23)
"There are decades where nothing happens; and there are weeks where decades happen."
Vladimir Lenin
"To be African American is to be African without any memory and American without any privilege."
James Baldwin
"Every task in life is an optimization problem."
Gerald Nash
"For what shall it profit a man, if he shall gain the whole world, and lose his own soul?"
Jesus Christ (Mark 8:36)