It is not half so important to know as to feel.

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

Autumn comes to the sea with a fresh blaze of phosphorescence, when every wave crest is aflame. Here and there the whole surface may glow with sheets of cold fire, while below schools of fish pour through the water like molten metal.

Only within the moment of time represented by the present century has one species -- man -- acquired significant power to alter the nature of the world.

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.

To understand the living present, and the promise of the future, it is necessary to remember the past.

For the sense of smell, almost more than any other, has the power to recall memories and it's a pity we use it so little.