“The greatest mistake you can make in life is to be continually fearing you will make one.”

“When life gives you lemons, make lemonade”

“Self-discipline is the ability to make yourself do what you should do, when you should do it, whether you feel like it or not.”

“If you can not answer a man's argument, all is not lost; you can still call him vile names.”

“Constant effort and frequent mistakes are the stepping stones to genius.”

“One machine can do the work of fifty ordinary men. No machine can do the work of one extraordinary man. ”

“Do not take life too seriously. You will never get out of it alive.”