We have looked first at man with his vanities and greed and his problems of a day or a year; and then only, and from this biased point of view, we ha….

In its mysterious past it encompasses all the dim origins of life and receives in the end, after, it may be, many transmutations, the dead husks of t….

Eventually man, too, found his way back to the sea. Standing on its shores, he must have looked out upon it with wonder and curiosity, compounded wit….

Now I truly believe that we in this generation must come to terms with nature, and I think we're challenged, as mankind has never been challenged bef….

Science is part of the reality of living; it is the what, the how, and the why of everything in our experience..

The obligation to endure gives us the right to know..

In recent years it has become impossible to talk about man's relation to nature without referring to "ecology"...such leading scientists in this area….

Those who dwell among the beauties and mysteries of the earth are never alone or weary of life. Those who contemplate the beauty of the earth find re….

I sincerely believe that for the child, and for the parent seeking to guide him, it is not half so important to 'know' as to 'feel'..

Over increasingly large areas of the United States, spring now comes unheralded by the return of the birds, and the early mornings are strangely sile….

Any concept of biology is not only sterile and profitless, it is distorted and untrue, if it puts its primary focus on unnatural conditions rather th….

Nature reserves some of her choice rewards for days when her mood may appear to be somber..

It is ironic to think that man might determine his own future by something so seemingly trivial as the choice of an insect spray..

For mankind as a whole, a possession infinitely more valuable than individual life is our genetic heritage, our link with past and future... Yet gene….

Knowing what I do, there would be no future peace for me if I kept silent..

If I had influence with the good fairy who is supposed to preside over the christening of all children I should ask that her gift to each child in th….

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

I believe natural beauty has a necessary place in the spiritual development of any individual or any society. I believe that whenever we substitute s….

We are not truly civilized if we concern ourselves only with the relation of man to man. What is important is the relation of man to all life..

But most of all I shall remember the monarchs, that unhurried westward drift of one small winged form after another, each drawn by some invisible for….

These sprays, dusts, and aerosols are now applied almost universally to farms, gardens, forests, and homes-nonselective chemicals that have the power….