I believe in the rights of creatures other than man.

If you want to get people off drugs, improve reality.

Sometimes luck is with you, and sometimes not, but the important thing is to take the dare. Those who climb mountains or raft rivers understand this.

Without wilderness, the world's a cage.

Even if you build the perfect reactor, you're still saddled with a people problem and an equipment problem.

While the death of young men in war is unfortunate, it is no more serious than the touching of mountains and wilderness areas by humankind.

I don't think we have very good records about what they were thinking except, as I pointed out earlier today, that they did invent our political system.