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

No amount of experimentation can ever prove me right; a single experiment can prove me wrong.

Don't think about why you question, simply don't stop questioning. Don't worry about what you can't answer, and don't try to explain what you can't know. Curiosity is its own reason. Aren't you in awe when you contemplate the mysteries of eternity, of life, of the marvelous structure behind reality? And this is the miracle of the human mind - to use its constructions, concepts, and formulas as tools to explain what man sees, feels and touches. Try to comprehend a little more each day. Have holy curiosity.

The thinking it took to get us into this mess is not the same thinking that is going to get us out of it.

There is a driving force more powerful than steam, electricity and nuclear power: the will.

My comprehension of God comes from a deeply felt conviction of a superior intelligence that reveals itself in the knowable world.

The high destiny of the individual is to serve rather than to rule.