The most important lesson is probably to spend less than you earn.

The most brilliant idea, with no execution, is worth $20. The most brilliant idea takes great execution to be worth $20,000,000.

Programming languages are like girlfriends: The new one is better because *you* are better.

Pay close attention to when you're being the real you & when you're trying to impress an invisible jury.

Success comes from persistently improving and inventing, not from persistently promoting what’s not working.

You're free to do anything you want with your company. It's more like art. You don't have to follow any norms. It's an expression of how you feel the world should be. When you make a company, that's your little place to make your own little utopia.

The most important lesson is probably to spend less than you earn.