Growth for the sake of growth is the ideology of the cancer cell.

All revolutions have failed? Perhaps. But rebellion for good cause is self- justifying -- a good in itself. Rebellion transforms slaves into human beings, if only for an hour.

Nothing can excel a few days in jail for giving a young man or woman a quick education in the basis of industrial society.

A man on foot, on horseback or on a bicycle will see more, feel more, enjoy more in one mile than the motorized tourists can in a hundred miles.

In the American Southwest, I began a lifelong love affair with a pile of rock.

I love America because it is a confused, chaotic mess - and I hope we can keep it this way for at least another thousand years. The permissive society is the free society.

I would never betray a friend to serve a cause. Never reject a friend to help an institution. Great nations may fall in ruin before I would sell a friend to save them.