Land is not merely soil, it is a fountain of energy flowing through a circuit of soils, plants and animals.
Aldo LeopoldThe rich diversity of the world's cultures reflects a corresponding diversity in the wilds that gave them birth.
Aldo LeopoldWilderness is a continuous stretch of country preserved in its natural state, open to lawful hunting and fishing, big enough to absorb a two weeks' pack trip, and kept devoid of roads, artificial trails, cottages, or other works of man.
Aldo Leopold