The purpose of our life is to help others through it.

Amazingly, we take for granted that instinct for survival, fear of death, must separate us from the happiness of pure and uninterpreted experience, in which body, mind, and nature are the same. This retreat from wonder, the backing away like lobsters into safe crannies, the desperate instinct that our life passes unlived, is reflected in proliferation without joy, corrosive money rot, the gross befouling of the earth and air and water from which we came.

When I'm in the field, when I'm working, I keep very careful notes. I wear big shirts with big breast pockets, and I carry in them two little spiral notebooks.

In nonfiction, you have that limitation, that constraint, of telling the truth.

And only the enlightened can recall their former lives; for the rest of us, the memories of past existences are but glints of light, twinges of longing, passing shadows, disturbingly familiar, that are gone before they can be grasped, like the passage of that silver bird on Dhaulagiri.

There's an elegiac quality in watching [American wilderness] go, because it's our own myth, the American frontier, that's deteriorating before our eyes. I feel a deep sorrow that my kids will never get to see what I've seen, and their kids will see nothing; there's a deep sadness whenever I look at nature now.

You see ... a man like me, a cautious man, has his life all figured out according to a pattern, and then the pattern flies apart. You run around for quite a while trying to repair it, until one day you straighten up again with an armful of broken pieces, and you see that the world has gone on without you and you can never catch up with your old life, and you must begin all over again.