Losing focus is another way that founders get off track.

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.

Facebook has this famous poster that says move fast and break things. But at the same time they manage to be obsessed with quality.

Companies that I've been very involved with, that have had a very bad first hire in the first 3 or so employees never recover from it.

Execution gets divided into two key questions: 1) can you figure out what to do and 2) can you get it done.

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

You can basically change everything in a startup but the market.