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.

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

It is, by common consent, a good thing for people to get back to nature.

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.

An Ecologist lives in a world of wounds.

Wilderness is a resource which can shrink but not grow. Invasions can be arrested or modified in a manner to keep an area usable either for recreation, science or for wildlife, but the creation of new wilderness in the full sense of the word is impossible. It follows, then, that any wilderness program is a rearguard action, through which retreats are reduced to a minimum.

I now suspect that just as a deer herd lives in mortal fear of its wolves, so does a mountain live in mortal fear of its deer. And perhaps with better cause, for while a buck pulled down by wolves can be replaced in two or three years, a range pulled down by too many deer may fail of replacement in as many decades.