Humility is a virtue; timidity is an illness.
Look what you can become in pursuit of what you want, and look out for what you become in the pursuit of what you want--don't compromise!
Never attack a problem without also presenting a solution.
Learn how to separate the majors and the minors. A lot of people don't do well simply because they major in minor things.
Don't ask for security, ask for adventure
If someone gives you $1,000,000 you'd better become a millionaire so you can keep the money. Success doesn't want to hang around incompetent people.