Letโs never forget that whatever brilliant ideas you have or hear, that the opposite may also be true.
Care about your customers more than about yourself, and you'll do well.
It's only a little difficult to say no. You've got to believe that the work you're doing is ultimately more useful to the world.
Making a company is a great way to improve the world while improving yourself.
The most important lesson is probably to spend less than you earn.
You can't please everyone, so proudly exclude people.