The oldest task in human history: to live on a piece of land without spoiling it.

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

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.

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

Teach the student to see the land, understand what he sees, and enjoy what he understands.

This whole effort to rebuild and stabilize a countryside is not without its disappointments and mistakes... What matter though these temporary growing pains when one can cast his eye upon the hills and see hard-boiled farmers who have spent their lives destroying land now carrying water by hand to their new plantations

Wilderness is a continuous stretch of country preserved in its natural state, open to lawful hunting and fishing, big enough to absorb a two weeks' pack trip, and kept devoid of roads, artificial trails, cottages, or other works of man.