Biological diversity is the key to the maintenance of the world as we know it... Eliminate one species, and another increases to take its place. Eliminate a great many species, and the local ecosystem starts to decay.

The cutting of primeval forest and other disasters, fueled by the demands of growing human populations, are the overriding threat to biological diversity everywhere.

True character arises from a deeper well than religion.

Every native species, however humble in appearance...has its place in the nation's heritage. It is a masterpiece of evolution, an ancient, multifaceted entity that shares the land with us.

To the extent that philosophical positions both confuse us and close doors to further inquiry, they are likely to be wrong.

Destroying rainforest for economic gain is like burning a Renaissance painting to cook a meal.

One thing I did was grow up as an ardent naturalist. I never grew out of my bug period.