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Paul Graham(@paulg)

Paul Graham (@paulg) on X A Brown professor gave his students a take-home midterm exam. After suspecting many cheated using AI... This 1952 IWC is one of my favorite watches. Timeless design: it's 74 years old and looks like it co... Jessica decided 14 yo and I needed haircuts and made appointments for us. A traffic jam made us late... The test of a description of a product is how much closer I am after hearing it to being able to rep... Imagine what it will be like if 5 years from now models have improved on Fable as much as Fable has ... If you want to start a startup, don't learn "entrepreneurship." Learn how to build things. The hard ... @fede_intern I blocked you not for what you said but because it was AI-generated. I routinely block ... Looks legit. "No one can beat death. The best you can hope for is a tie after extra time." — Jan Houtema There is an interesting implicit claim here: that mobile and internet revenues grew at the same rate... AI companies are making a lot of money. Apparently the revenues from this wave of technology are gro... Man do I want Paraguay to lose. Not just because they deserve to, but because I don't want to have t... The problem with black dials: less light bouncing up off the dial makes the crystal seem more reflec... A friend came over to look at some old watches. But he showed up at the worst possible time: 2:11. So high valuations can be a problem, definitely. But the startups that matter most for economic grow... It's certainly true that a startup can be damaged by raising too much and/or at too high a valuation... Someone asked if the US economy could be damaged by the high valuations startups get now, and I real... "So you're saying <enormously elaborate thing you didn't even suggest>?" People are taking this a bit literally (obviously someone must have) so I'll save us all some time a... If you're curious about this watch, it's not only beautiful but accurate to -2 sec/day dial up. This... The history of golden age watch case and face design consists of designers wishing they hadn't alrea... What's interesting about these questions is the ratio of how important they are to how often you thi... Tweet I wonder if they did this deliberately because making the math section of the SAT actually about mat... I didn't realize this till recently, but the math section of the SAT is a de facto second English se... Someone asked why I like Boom so much. Partly because they're building supersonic jets! Partly becau... There is something to this. There's definitely a "buck stops here" element to being a founder. But I... There are two ways to get no overall lean: to pick a middle position on every issue, and to lean lef... There are two ways to get no overall lean: to pick a middle position on every issue, and to lean lef... 14 yo asked me if I leaned more to the left or right. I was pleased to be asked this, because if the... Good portrait. Lawrence was at the height of his powers when he painted this, and he put a lot of ef... I just talked to another investor about this startup. I asked how fundraising went for them. "He st... Y Combinator makes something people who make something people want want. My watch has π on its face. I still recommend buying Omega automatics from the 1950s. Just not this particular one... I was suspicious of the dial, so I emailed the people at the auction house, who said they thought it... This thing is a monster by golden age watch standards: 45.5 mm in diameter and 15.5 mm thick, and al... Here's where you can see that 23 * 17 = 391. Actually all you can see is that it's a little over a n... Behold the amazing Heuer Calculator of 1975. The bezel is a slide rule! And it's in the process of d... This amazing WW II painting by Laura Knight is effectively a combination of a still life and figures... The Birth of Pete Davidson. "I feel like a spider who's caught an insect in its web." — Jessica after teaching a visiting frien... 14 yo was sent to my office to tell me "Dinner's ready." But I'm cooking dinner. (Lentils are boilin... It would be charmingly candid if they actually put it that way. But I don't think any of them are co... Nearly all those who say the US should only admit the most talented immigrants would not themselves ... @PalmerLuckey @ryanleichty I don't have contempt for his beliefs at all. If anything I admire them. ... In the future people won't believe it ever got this bad. But it did. It would be amusing if the key turned out to be to fork Android. Then Apple's walled garden would en... Indeed, maybe the social media ban will turn out to be the policy to encourage the founding of start...

Explained to 14 yo how you can multiply numbers by adding their logarithms (and divide by subtractin...

Paul Graham · 2026-07-01 · via Paul Graham(@paulg)

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