If you think you can do it, you can.
Know or listen to those who know.
To be a good loser is to learn how to win.
Be kind whenever possible. It is always possible.
Leap, and the net will appear.
Always desire to learn something useful.
Never complain and never explain.
Go for it now. The future is promised to no one.
The dog that trots about finds a bone.
Expect problems and eat them for breakfast.
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.