“Whether you think you can or think you can't – you are right.”

“However many holy words you read, however many you speak, what good will they do you if you do not act on upon them?”

“The line between failure and success is so fine that we scarcely know when we pass it: so fine that we are often on the line and do not know it.”

“The truth is rarely pure and never simple.”

“Find a job you love and you'll never have to work again.”

“You don’t have to be brilliant, only a little bit wiser than the other guys, on average, for a long, long time.”