If you think you can do it, you can.
Well done is better than well said.
The most effective way to do it, is to do it.
What you do today can improve all your tomorrows.
Always desire to learn something useful.
If you can dream it, you can do it.
Who seeks shall find.
Never complain and never explain.
Expect problems and eat them for breakfast.
Quality is not an act, it is a habit.
The great accomplishment of Jobs's life is how effectively he put his idiosyncrasies - his petulance, his narcissism, and his rudeness - in the service of perfection.