So long as there are men, there will be wars.

You can't solve problems with the same thinking that caused them.

God has given me a mule-like stubbornness to stick with a difficult problem and the intuitive powers to conceptualize complex hypothetical situations in my mind.

Compound interest on debt was the banker's greatest invention, to capture, and enslave, a productive society.

If you can't explain what you are doing to a nine-year-old, then either you still don't understand it very well, or it's not all that worthwile in the first place.

The flag is a symbol of the fact that man is still a herd animal.

Creativity is seeing what others see and thinking what no one else has ever thought.