Be gentle to all and stern with yourself.
To be a good loser is to learn how to win.
Leap, and the net will appear.
Quality is not an act, it is a habit.
What you do today can improve all your tomorrows.
Never complain and never explain.
Be kind whenever possible. It is always possible.
I can, therefore I am.
Always desire to learn something useful.
If you've got a talent, protect it.
Sound is the vocabulary of nature.
The world changes materially. Science makes advances in technology and understanding. But the world of humanity doesn't change.