What I mean by photographing as a participant rather than observer is that I'm not only involved directly with some of the activities that I photograph, such as mountain climbing, but even when I'm not I have the philosophy that my mind and body are part of the natural world

The chief merit of language is clearness, and we know that nothing detracts so much from this as do unfamiliar terms.

Look to the nervous system as the key to maximum health.

The reason that I keep writing is that all my most powerful messages about the fates of wild places that I care about need to have words as well as images

These days, most nature photographers are deeply committed to the environmental message

Those who are enslaved to their sects are not merely devoid of all sound knowledge, but they will not even stop to learn!

After coitus every animal is sad, except the human female and the rooster.