If human nature eventually is going to take the place of nature everywhere, those of us who have been naturalists will have to transpose the faith in nature which is inherent in the profession to a faith in man-if necessary, man alone in the world.

Once I climbed into a mountain lion's cage and she bounded at me and put her paw on my face, but she kept her claws withdrawn.

Silence is exhilarating at first - as noise is - but there is a sweetness to silence outlasting exhilaration, akin to the sweetness of listening and the velvet of sleep.

True solitude is a din of birdsong, seething leaves, whirling colors, or a clamor of tracks in the snow.

Suicidal thinking, if serious, can be a kind of death scare, comparable to suffering a heart attack or undergoing a cancer operation. One survives such a phase both warier and chastened. When-ten years ago-I emerged from a bad dip into suicidal speculation, I felt utterly exhausted and yet quite fearless of ordinary dangers, vastly afraid of myself but much less scared of extraneous eventualities.

If human nature eventually is going to take the place of nature everywhere, those of us who have been naturalists will have to transpose the faith in nature which is inherent in the profession to a faith in man-if necessary, man alone in the world.

It would be hard to define chaos better than as a world where children decide they don't want to live.