“Excellence prospers in the absence of excuses.”
“The excuses we make to ourselves when we want to do something are excellent material for soliloquies, for they are rarely made except when we are alone, and are very often made aloud.”
“You look in excellent health to me, Potter, so you will excuse me if I don't let you off homework today. I assure you that if you do die, you need not hand it in.”
“If you want to prosper, prosper God.”
“War prosperity is like the prosperity that an earthquake or a plague brings.”
“Darkness is the absence of light. Happiness is the absence of pain. Anger is the absence of joy. Jealousy is the absence of confidence. Love is the absence of doubt. Hate is the absence of peace. Fear is the absence of faith. Life is the absence of death.”