Wilderness, then, assumes unexpected importance as a laboratory for the study of land - health.

All ethics so far evolved rest upon a single premise: that the individual is a member of a community of interdependent parts.

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

What avail are forty freedoms without a blank spot on the map?

The problem, then, is how to bring about a striving for harmony with land among a people many of whom have forgotten there is any such thing as land, among whom education and culture have become almost synonymous with landlessness. This is the problem of conservation education.

Man always kills the thing he loves, and so we the pioneers have killed our wilderness. Some say we had to. Be that as it may, I am glad I shall never be young without wild country to be young in. Of what avail are forty freedoms without a blank spot on the map?

The first law of intelligent tinkering is to save all the parts