In YC's case, the number one cause of early death for startups is cofounder blowups.

You want to continue to be run by great products, not process for it's own sake.

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

We talk to a team they've gotten new things done, that's the best predictor we have that a company will be successful.

You should always know how you're doing against your metrics. You should always have a weekly review meeting every week.

When it comes to starting startups, in many ways, it's easier to start a hard startup than an easy startup.

The way to have a company that executes well is you have to execute well yourself.