"To teach that a man is a machine and a machine is a man is to teach that the ideal man is a machine."

"If I had asked people what they wanted, they would have said faster horses."

"There is no man living who isn't capable of doing more than he thinks he can do."

"Wealth, like happiness, is never attained when sought directly. It comes as a by-product of rendering useful service."

"The only real security that a man can have in this world is a reserve of knowledge, experience, and ability."