The dog that trots about finds a bone.
What you do today can improve all your tomorrows.
Wherever you are - be all there.
Quality is not an act, it is a habit.
Always desire to learn something useful.
Never complain and never explain.
Problems are not stop signs, they are guidelines.
By failing to prepare, you are preparing to fail.
Be gentle to all and stern with yourself.
The secret of getting ahead is getting started.
One of the things that ultimately led me to leave mathematics and go into political science was thinking I could prevent nuclear war.