Let the mountains talk, let the river run. Once more, and forever.

It seems that every time mankind is given a lot of energy, we go out and wreck something with it.

For how many people do you think might yet stand on this planet before the sun grows cold? That's the responsibility we hold in our hands.

A great deal of pressure was then built up to remove me from the club and my resignation was, finally, a forced one.

The Sierra Club is a very good and a very powerful force for conservation and, as a matter of fact, has grown faster since I left than it was growing while I was there! It must be doing something right.

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.

The goal now is a socialist, redistributionist society, which is nature's proper steward and society's only hope.