An individual piece only has meaning when it is seen as part of the whole.

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.

Do not allow any thing to disturb you.

Simple, genuine goodness is the best capital to found the business of this life upon. It lasts when fame and money fail, and is the only riches we can take out of this world with us.

Another thing rappers, I admire your rebellious spirit, but materialism is a form of mental slavery. Slow down on the jewelry, pick up a book.

Eggs are very much like small boys. If you overheat them or over beat them, they will turn on you and no amount of future love will right the wrong.

A refuge is supposed to prevent what? The genes from flowing out of sight? This refuge idea won't stop insects from moving across boundaries. That's absurd.

Within crisis, are the seeds of opportunity.

I believe that if we want our children to understand the world beyond their classroom, we must bring the world into their classroom.

It was a good moment, the kind you would like to press between the pages of a book, or hide in your sock drawer, so you could touch it again.

We do not have weapons of mass destruction.

The bicycle is a great good. But it can turn nasty, if ill employed.