When mechanical watches became obsolete around 1970 they represented almost exactly 700 years of refinement by some of the best minds of their time. … - Paul Graham

I don't mind when people are unambitious. It's up to each person to decide that. But it bugs me when the people who aren't ambitious try to bring down those who are.

you need to start doing something people want. You don’t need to join a company to do that. All a company is is a group of people working together to do something people want. It’s doing something people want that matters, not joining the group.6

The most dangerous form of procrastination is unacknowledged type-B procrastination [putting off important things to do unimportant things], because it doesn't feel like procrastination. You're "getting things done." Just the wrong things.