Any school for free citizens must begin by teaching distrust, not trust. It must teach questioning, not acceptance of stock answers.

Simplicity is the most difficult of all concepts.

It's so much more interesting to study a ... damaged world. I find it difficult to learn anything in a place that's too civilized.

The first step in innovation is to know that a thing can be created. After that, the rest is a matter of detail.

Freedom is an elusive concept. Some men hold themselves prisoner even when they have the power to do as they please and go where they choose, while others are free in their hearts, even as shackles restrain them.

An ignorant friend is worse than a learned foe.

Fear invites aggression - do not show it to a predator.