I can, therefore I am.
Know or listen to those who know.
Always desire to learn something useful.
To be a good loser is to learn how to win.
The most effective way to do it, is to do it.
Who seeks shall find.
Only the educated are free.
Well done is better than well said.
Leap, and the net will appear.
Be gentle to all and stern with yourself.
A teacher must believe in the value and interest of his subject as a doctor believes in health.
A good teacher is a determined person.