"Any intelligent fool can make things bigger, more complex, and more
violent. It takes a touch of genius -- and a lot of courage -- to move
in the opposite direction."
"The hardest thing in the world to understand is the income tax."
"Reality is merely an illusion, albeit a very persistent one."
"A person starts to live when he can live outside himself."
"Weakness of attitude becomes weakness of character."
"I never think of the future. It comes soon enough."
"Sometimes one pays most for the things one gets for nothing."
"Science without religion is lame. Religion without science is blind."
"Anyone who has never made a mistake has never tried anything new."
"Everything should be made as simple as possible, but not simpler."
"The only thing that interferes with my learning is my education."
"God does not care about our mathematical difficulties. He integrates
empirically."
"Peace cannot be kept by force. It can only be achieved by understanding."