You should never be in the company of anyone with whom you would not want to die.

The thing the ecologically illiterate don't realize about an ecosystem is that it's a system. A system! A system maintains a certain fluid stability that can be destroyed by a misstep in just one niche.

One learns from books and example only that certain things can be done. Actual learning requires that you do those things.

In 1054, the patriarch of Constantinople and the pope excommunicated each other. That was the end of holiness for both churches.

Governments do not know what they cannot do until after they cease to be governments. Each government carries the seeds of its own destruction.

Irreverence is a most necessary ingredient of religion. Not to speak of its importance in philosophy. Irreverence is the only way left to us for testing our universe.

All governments suffer a recurring problem: Power attracts pathological personalities.