You also want to fire people who a) create office politics, and b) who are persistently negative.

It's difficult to get large groups of people, to the extreme levels of focus and productivity that you need, for a startup to be successful.

Remember that the idea will expand, and become more ambitious as you go.

To get the very best people- they have a lot of great options, and so it can easily take a year to recruit someone.

Two other things that we hear again and again from our founders, they wish they had done earlier, and that is... simply writing down how you do things and why you do things.

You have to save the vision speeches for when the company is winning. When you're not winning, you just have to get momentum back.

... but the pendulum has swung way out of whack here. A bad idea is still bad, and the pivot happy world we're in today feels suboptimal.