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

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.

Unless we keep this planet healthy, everything else is for naught.

People blame their environment. There is only one person to blame - and only one - themselves.

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

Unless we keep this planet healthy, everything else is for naught.

The environment is everything that isn't me.

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

The only way forward, if we are going to improve the quality of the environment, is to get everybody involved.

I have a private plane. But I fly commercial when I go to environmental conferences.