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

There's no way I know, to get through the pain of a startup without belief that the mission really matters.

Once your product is working, switch from not caring about this to caring about this a little bit.

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

The tenth social network, and limited only to college students with no money, also terrible. Myspace had won.

You're either not hiring at all or it's probably your single biggest block of time.

Why now, why is this the perfect time for this particular idea, and to start this particular company?