The question is whether any civilization can wage relentless war on life without destroying itself, and without losing the right to be called civilized.

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

There is something infinitely healing in the repeated refrains of nature.

I still feel there is a case to be made for my old belief that as man approaches the 'new heaven and the new earth' -- or the space-age universe, if you will, he must do so with humility rather than with arrogance.

Those who contemplate the beauty of the earth find reserves of strength that will endure as long as life lasts. There is something infinitely healing in the repeated refrains of nature -- the assurance that dawn comes after night, and spring after winter.

Those who contemplate the beauty of the earth find reserves of strength that will endure as long as life lasts.

Knowing what I do, there would be no future peace for me if I kept silent... It is, in the deepest sense, a privilege as well as a duty to speak out to many thousands of people.