I think extreme secrecy is a bad sign in all startups. Very few startups die because they tell you exactly how their technology works. On the long list of startup killers, that's pretty far down. Though on the list of entrepreneur fears, it's pretty high.

- Sam Altman

Intelligence is usually easy to tell in a 10-minute conversation. Determination is harder.

- Sam Altman

Many founders hire just because it seems like a cool thing to do, and people always ask how many employees you have.

- Sam Altman

Maybe I am a bit unusual here, but I am less stressed if I have my phone with me. Because I can spend like an hour in the morning taking care of everything instead of I sit there and wonder what I missed or wonder what's happening. So it's way less stressful for me to just answer my phone.

- Sam Altman

I wouldn't call Loopt a failure. It didn't turn out like I wanted, for sure, but it was fun, I learned a lot, and I made enough money to start investing, which led me to my current job. I don't regret it at all.

- Sam Altman

Check-ins are cool, but kind of a pain.

- Sam Altman

Making money is often more fun than spending it, though I personally have never regretted money I've spent on friends, new experiences, saving time, travel, and causes I believe in.

- Sam Altman

There's this famous observation that I totally believe: Great startup ideas are the ones that lie in the intersection of the Venn diagram of 'is a good idea' and 'looks like a bad idea.' So you want most people to think it's a bad idea and thus not compete with you until you get giant. But for it to secretly be good.

- Sam Altman