At the beginning, you should only hire when you have a desperate need to.

When lack of structure fails, it fails all at once. What works totally fine from 0-20 employees, is disastrous at 30.

Long term thinking is so rare anywhere, but especially in startups. This is a huge advantage if you do it.

Great execution is at least 10 times more important and a 100 times harder than a good idea.

One of the pieces of advice that we give at YC is: try to work together on a project rather than just doing an interview.

No matter what you choose, build stuff and be around smart people.

One thing that founders always underestimate is how hard it is to recruit.