Any school for free citizens must begin by teaching distrust, not trust. It must teach questioning, not acceptance of stock answers.
There is no man so blind as one who has made up his mind.
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.
Let pressure pass over and through you. That way you can't be harmed by it.
Simplicity is the most difficult of all concepts.
The first step in innovation is to know that a thing can be created. After that, the rest is a matter of detail.