Breakthrough ideas usually come from guys who look like they're hallucinating

You don't need every investor to believe that you can succeed. You only need one.

Early in my career as an engineer, I’d learned that all decisions were objective until the first line of code was written. After that, all decisions were emotional.

Every time you make the hard, correct decision you become a bit more courageous, and every time you make the easy, wrong decision you become a bit more cowardly. If you are CEO, these choices will lead to a courageous or cowardly company.

Leadership is hard to train on.

Nothing motivates a great employee more than a mission that's so important that it supersedes everyone's personal ambition.

The only thing that prepares you to run a company is running a company.