Great teams are usually small-under fifty in total head count. (There are few examples of a team made up of hundreds of people who created anything revolutionary.) Big teams aren't conducive to revolutionary products because such products require a high degree of single-mindedness, unity, and unreasonable passion.

Don't ask people to do something you wouldn't.

Inoculate yourself from dangerous bozos.

Leverage your brand. You shouldn't let two guys in a garage eat your shorts.

I learned how difficult it is to self-publish a book. It's complex, it's confusing, it's idiosyncratic.

The hardest thing about getting started, is getting started.

Customers can tell you how to evolve a product, but they can't show you how to make a leap.