Landmark letters, essays, laws, and classics, distilled into the same format, so a screenshot is enough to carry the idea.
Why it earns a slot: Nearly every founder cites it and few reread it. The whole argument fits in four lines.
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It's all about the long term, and it is still Day 1. Optimize for market leadership over quarterly optics, obsess over customers rather than competitors, make bold bets, and stay frugal. Amazon reattaches this letter to every annual report since.
Buffett's booklet of owner-related business principles: shareholders are owner-partners, management eats its own cooking, performance is measured by per-share intrinsic value, debt is used sparingly, and results are reported with the same candor Buffett would want as a silent partner.
One question determines a startup's strategy: at current growth and spending, do you reach profitability before the money runs out? Most founders cannot answer it, and the ones who ask too late meet the fatal pinch: default dead, plus investors who no longer want to help.
The private notebook of a Roman emperor practicing Stoicism on himself. You control your judgments, never events; obstacles are material for character; you will die, so spend attention accordingly; and other people's opinions are not your business.
The supreme excellence is winning without fighting. Know yourself and your opponent, prefer positioning and deception to brute force, adapt to the ground you are on, and never fight a long war.
Factions are inevitable because liberty produces them, so a constitution must control their effects rather than remove their causes. Madison's answer: a large republic, where representation and sheer scale make it hard for any faction to capture the whole.
We choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard. A hard, public, dated goal organizes and measures a nation's energy. Commit, fund it, and move.
The first broad AI law sorts systems by risk: a few uses banned outright, high-risk uses carry heavy obligations, and general-purpose models owe transparency. It phases in through 2027, and fines reach 7% of global revenue.
Personal data may only be processed with a lawful basis, people hold enforceable rights over their data, and the rules follow EU residents worldwide. Breaches must be reported within 72 hours, and fines reach 4% of global turnover.
In roughly 270 words, Lincoln reframed the Civil War as a test of whether a nation conceived in liberty and dedicated to human equality can endure, and turned a cemetery dedication into a charge to the living: finish the work, so that government of, by, and for the people shall not perish.
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