Study the unusually successful people you know, and you will find them imbued with enthusiasm for their work which is contagious. Not only are they themselves excited about what they are doing, but they also get you excited

You certainly don't need to have everything figured out in the path from here to world domination.

I really believe that the single hardest thing in business is building a company that does repeatable innovation... and just has this ongoing culture of excellence as it grows.

At YC we have this public phrase, and it's relentlessly resourceful.

A board member of mine used to say sales fix everything in a startup, and that is really true.

These all sounded really bad, but they turned out to be good. If they had sounded really good, there would have been too many people working on them.

You can have a startup and one other thing, you can have a family, but you probably can't have many other things.