"Having a great intellect is no path to being happy"

"It is a useless life that is not consecrated to a great ideal. It is like a stone wasted on the field without becoming a part of any edifice"

"I feel happy to terrify kids"

"He's by best friend and the father of my children. He's a great ex"

"Behind every great fortune lies a great crime"

"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"

"The only way to do great work is to love what you do"

"To be really great in little things, to be truly noble and heroic in the insipid details of everyday life, is a virtue so rare as to be worthy of canonization"

"Having soon discovered to be great, I must appear so, and therefore studiously avoided mixing in society, and wrapped myself in mystery, devoting my time to fasting and prayer"

"I said when I came into office that I don't want to be a great leader; I want to be a good democrat"