The good life of any river may depend on the perception of its music; and the preservation of some music to perceive.

There is value in any experience that exercises those ethical restraints collectively called sportsmanship.

What a dull world if we knew all about geese!

At first blush I am tempted to conclude that a satisfactory hobby must be in large degree useless, inefficient, laborious, or irrelevant.

A thing is right when it tends to preserve the integrity, stability and beauty of the biotic community. It is wrong when it tends otherwise.

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

Our ability to perceive quality in nature begins, as in art, with the pretty.