In a true tragedy, both parties must be right.

We learn from history that we do not learn from history

To be independent of public opinion is the first formal condition of achieving anything great.

Truth is found neither in the thesis nor the antithesis, but in an emergent synthesis which reconciles the two.

Nothing great in the world has ever been accomplished without passion.

Genuine tragedies in the world are not conflicts between right and wrong. They are conflicts between two rights.

What history teaches us is that neither nations nor governments ever learn anything from it.

I have the courage to be mistaken.

All education is the art of making men ethical (sittlich), of transforming the old Adam into the new Adam.

To be aware of limitations is already to be beyond them.

Africa has no history and did not contribute to anything that mankind enjoyed.

Happiness is an inner perception, not an outer realistic conception.

[My kids] complained about Secret Service as they became teenagers, and Secret Service has done the very best job they could accommodating them, so it hasn't restricted any of their activities.

Everybody knows it hurts to grow up...and we're still fighting it.

I've done more than I thought I was ever going to do. I've had a very long and very satisfying career.

The heart that is at rest grows and develops from anything.

If thy hope be any thing worth, it will purify thee from thy sins.

Conscience is a just but weak judge. Weakness leaves it powerless to execute its judgment.

I felt like my parents were always involved with abstraction, and I wanted to do something very specific.

Hard work and education will take you farther than any government program can ever promise.

There have been times when you doubt yourself. You don't know if you're working on the right things.