He who searches for spring with his knees in the mud finds it, in abundance.

I love all trees, but I am in love with pines.

Conservation is a positive exercise of skill and insight, not merely a negative exercise of abstinence and caution.

We can be ethical only in relation to something we can see, feel, understand, love, or otherwise have faith in.

For one species to mourn the death of another is a new thing under the sun.

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.

There are some who can live without wild things and some who cannot.