"But the power of instruction is seldom of much efficacy, except in those happy dispositions where it is almost superfluous"

"Power is given only to those who dare to lower themselves and pick it up. Only one thing matters, one thing; to be able to dare!"

"Prestige is the shadow of money and power"

"Don't let your will roar when your power only whispers"

"Power wears out those who don't have it"

"I feel happy to terrify kids"

"There is no power on earth more formidable than the truth"

"There is only one person who could ever make you happy, and that person is you"

"I was married to Margaret Joan Howe in 1940. Although not a scientist herself she has contributed more to my work than anyone else by providing a peaceful and happy home"

"Hope... is the companion of power, and the mother of success; for who so hopes has within him the gift of miracles"

"Happiness is the only good. The time to be happy is now. The place to be happy is here. The way to be happy is to make others so"