Our ability to perceive quality in nature begins, as in art, with the pretty. It expands through successive stages of the beautiful to values as yet uncaptured by language.

What a dull world if we knew all about geese!

What more delightful avocation than to take a piece of land and by cautious experimentation to prove how it works. What more substantial service to conservation than to practice it on one's own land?

Only the mountain has lived long enough to listen objectively to the howl of the wolf.

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

I am glad I will not be young in a future without wilderness.

Keeping records enhances the pleasure of the search and the chance of finding order and meaning in these events.