- "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."
- "Imagination is more important than knowledge."
- "Gravitation is not responsible for people falling in love."
- "I want to know God's thoughts; the rest are details."
- "The hardest thing in the world to understand is the income tax."
- "Reality is merely an illusion, albeit a very persistent one."
- "The only real valuable thing is intuition."
- "A person starts to live when he can live outside himself."
- "I am convinced that He (God) does not play dice."
More at the site.