The function of science fiction is not always to predict the future but sometimes to prevent it.

A human being can stand any amount of pain.

The ferocity we show our foes must be tempered by the lesson we hope to teach.

Prisons are needed only to provide the illusion that courts and police are effective. They're a kind of job insurance.

If there is a difference between what is said and what is done, only a fool believes what was said.

Power attracts the corruptible. Suspect all who seek it ... We should grant power over our affairs only to those who are reluctant to hold it and then only under conditions that increase that reluctance.

Those who would repeat the past must control the teaching of history.