Land is not merely soil, it is a fountain of energy flowing through a circuit of soils, plants and animals.

The land-relation is still strictly economic, entailing privileges but not obligations

No matter how intently one studies the hundred little dramas of the woods and meadows, one can never learn all the salient facts about any one of them.

Wilderness is the very stuff America is made of.

Conservation is a positive exercise of skill and insight, not merely a negative exercise of abstinence and caution.

The rich diversity of the world's cultures reflects a corresponding diversity in the wilds that gave them birth.

To keep every cog and wheel is the first precaution of intelligent tinkering.