"I am opposed to millionaires, but it would be dangerous to offer me the position."

"The only two things that are infinite are the universe and human stupidity, and I'm not sure about the former."

"What a wee little part of a person's life are his acts and his words! His real life is led in his head, and is known to none but himself."

"The trouble is not in dying for a friend, but in finding a friend worth dying for."

"Man is a creature of circumstances, but circumstances are creatures of men."