The practice of conservation must spring from a conviction of what is ethically and aesthetically right, as well as what is economically expedient. A thing is right only when it tends to preserve the integrity, stability, and beauty of the community, and the community includes the soil, waters, fauna, and flora, as well as people.
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 LeopoldLand health is the capacity for self-renewal in the soils, waters, plants, and animals that collectively comprise the land.
Aldo LeopoldTo those devoid of imagination a blank place on the map is a useless waste; to others, the most valuable part.
Aldo Leopold