Never did we plan the morrow, for we had learned that in the wilderness some new and irresistible distraction is sure to turn up each day before breakfast. Like the river, we were free to wander.

Recreational development is a job not of building roads into lovely country, but of building receptivity into the still unlovely human mind.

If the land mechanism as a whole is good then every part is good, whether we understand it or not.

Wilderness is the very stuff America is made of.

Prudence never kindled a fire in the human mind; I have no hope for conservation born of fear.

In our attempt to make conservation easy, we have made it trivial.

A thing is right when it tends to preserve the integrity, stability and beauty of the biotic community. It is wrong when it tends otherwise.