No one should be able to enter a wilderness by mechanical means.

I think the cost of energy will come down when we make this transition to renewable energy.

Harmony with land is like harmony with a friend you cannot cherish his right hand and chop off his left.

We won't have a society if we destroy the environment.

Keep close to Nature's heart... and break clear away, once in awhile, and climb a mountain or spend a week in the woods. Wash your spirit clean.

Harmony with land is like harmony with a friend you cannot cherish his right hand and chop off his left.

When we try to pick out anything by itself, we find it hitched to everything else in the universe.

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

Not all is doom and gloom. We are beginning to understand the natural world and are gaining a reverence for life - all life.

We won't have a society if we destroy the environment.