I can, therefore I am.
To know oneself, one should assert oneself.
Well done is better than well said.
Be gentle to all and stern with yourself.
Know or listen to those who know.
The wise does at once what the fool does at last.
To be a good loser is to learn how to win.
You never know what motivates you.
Do not weep do not wax indignant. Understand.
Quality is not an act, it is a habit.
I used to spend every morning in detention at my old school.