Most founders have not managed people before, and they certainly haven't managed managers.

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

I care much more about the growth rate of the market than it's current size and I also care if there's any reason it's going to top out.

Most investors are obsessed with the market size today and they don't think about how the market is going to evolve.

Don't let the company get distracted or excited about other things. A common mistake is that companies get excited by their own PR.

1 of the hardest parts about being a founder, is that there are a 100 important things competing for your attention each day.

You'll get more support on a hard, important, project than a derivative one.