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

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

Hydrologists have demonstrated that the meanderings of a creek are a necessary part of the hydrologic functioning. The flood plain belongs to the river. The ecologist sees clearly that for similar reasons we can get along with less channel improvement on Round River.

Individual thinkers since the days of Ezekiel and Isaiah have asserted that the despoliation of land is not only inexpedient but wrong. Society, however, has not yet affirmed their belief.

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

There are two things that interest me: the relation of people to each other, and the relation of people to land.

The life of every river sings its own song, but in most the song is long marred by the discords of misuse.