Every mystery solved brings us to the threshold of a greater one.

There is one quality that characterizes all of us who deal with the sciences of the earth and its life - we are never bored.

A Who's Who of pesticides is therefore of concern to us all. If we are going to live so intimately with these chemicals eating and drinking them, taking them into the very marrow of our bones - we had better know something about their nature and their power.

Unless we have courage to recognize cruelty for what it is - whether its victim is human or animal - we cannot expect things to be much better in the world.

The control of nature is a phrase conceived in arrogance.

Always the edge of the sea remains an elusive and indefinable boundary. The shore has a dual nature, changing with the swing of the tides, belonging now to the land, now to the sea.

If a child is to keep alive his inborn sense of wonder, he needs the companionship of at least one adult who can share it, rediscovering with him the joy, excitement, and mystery of the world we live in.