To witness that calm rhythm of life revives our worn souls and recaptures a feeling of belonging to the natural world. No one can return from the Serengeti unchanged, for tawny lions will forever prowl our memory and great herds throng our imagination.

For what are the whales being killed? For a few hundred jobs and products that are not needed, since there are cheap substitutes. If this continues, it will be the end of living and the beginning of survival. The world is being totaled.

To witness that calm rhythm of life revives our worn souls and recaptures a feeling of belonging to the natural world. No one can return from the Serengeti unchanged, for tawny lions will forever prowl our memory and great herds throng our imagination.

Humans are the one species the world could do very well without.

A ruin is not just something that happened long ago to someone else; its history is that of us all, the transience of power, of ideas, of all human endeavors.

You can do the best science in the world but unless emotion is involved it's not really very relevant. Conservation is based on emotion. It comes from the heart and one should never forget that.

Mountains and deserts, with their sparse life at the limit of existence, make one restless and disconsolate; one becomes an explorer in an intellectual realm as well as in a physical one.