The elemental simplicities of wilderness travel were thrills. They represented complete freedom to make mistakes. The wilderness gave those rewards and penalties, for wise and foolish acts against which civilization has built a thousand buffers.

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.

He who searches for spring with his knees in the mud finds it, in abundance.

When some remote ancestor of ours invented the shovel, he became a giver: He could plant a tree. And when the axe was invented, he became a taker: He could chop it down. Whoever owns land has thus assumed, whether he knows it or not, the divine functions of creating and destroying plants.

Hemispheric solidarity is new among statesmen, but not among the feathered navies of the sky.

...to any one for whom wild things are something more than a pleasant diversion, (conservation) constitutes one of the milestones in moral evolution.

Land health is the capacity for self-renewal in the soils, waters, plants, and animals that collectively comprise the land.