Conservation is a state of harmony between men and land.

It is part of wisdom never to revisit a wilderness, for the more golden the lily, the more certain that someone has gilded it

We abuse land because we regard it as a commodity belonging to us.

We abuse land because we regard it as a commodity belonging to us. When we see land as a community to which we belong, we may begin to use it with love and respect.

Patriotism requires less and less of making the eagle scream, but more and more of making him think.

Hemispheric solidarity is new among statesmen, but not among the feathered navies of the sky.

The worthiness of any cause is not measured by its clean record, but by its readiness to see the blots when they are pointed out, and to change its mind.