High horns, low horns, silence, and finally a pandemonium of trumpets, rattles, croaks, and cries that almost shakes the bog with its nearness ... A new day has begun on the crane marsh. A sense of time lies thick and heavy on such a place ... 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.

There are men charged with the duty of examining the construction of the plants, animals, and soils which are the instruments of the great orchestra. These men are called professors. Each selects one instrument and spends his life taking it apart and describing its strings and sounding boards. This process of dismemberment is called research. The place for dismemberment is called a university.

He who hopes for spring with upturned eye never sees so small a thing as Draba. He who despairs of spring with downcast eye steps on it, unknowing. He who searches for spring with his knees in the mud finds it, in abundance.

Health is the capacity of the land for self-renewal.

I know a painting so evanescent that it is seldom viewed at all except by some wandering deer. It is a river who wields the brush and it is the same river who before I can bring my friends to view his work erases it forever from human view. After that it exists only in my mind's eye.

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

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.