Never complain and never explain.
Expect problems and eat them for breakfast.
You never know what motivates you.
Well done is better than well said.
It's always too early to quit.
Things do not happen. Things are made to happen.
Be thine own palace, or the world's thy jail.
I can, therefore I am.
What you do today can improve all your tomorrows.
Be gentle to all and stern with yourself.
The teacher who would be true to his mission and accomplish the most good, must give prominence to moral as well as intellectual instruction.