If in a city we had six vacant lots available to the youngsters of a certain neighborhood for playing ball, it might be "development" to build houses on the first, and the second, and the third, and the fourth, and even the fifth, but when we build houses on the last one, we forget what houses are for.
Aldo LeopoldTeach the student to see the land, understand what he sees, and enjoy what he understands.
Aldo LeopoldWilderness is the raw material out of which man has hammered the artifact called civilization. Wilderness was never a homogenous raw material. It was very diverse. The differences in the product are known as cultures. The rich diversity of the worlds cultures reflects a corresponding diversity. In the wilds that gave them birth.
Aldo Leopold