What is a scientist after all? It is a curious man looking through a keyhole, the keyhole of nature, trying to know what's going on.

I am not a scientist. I am, rather, an impresario of scientists.

The happiness of the bee and the dolphin is to exist. For man it is to know that and to wonder at it.

For most of history, man has had to fight nature to survive; in this century he is beginning to realize that, in order to survive, he must protect it.

The real cure for our environmental problems is to understand that our job is to salvage Mother Nature. We are facing a formidable enemy in this field. It is the hunters... and to convince them to leave their guns on the wall is going to be very difficult.

Water and air, the two essential fluids on which all life depends, have become global garbage cans.