Wilderness is the raw material out of which man has hammered the artifact called civilization.
Aldo LeopoldThe 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 LeopoldThat land is a community is the basic concept of ecology, but that land is to be loved and respected is an extension of ethics.
Aldo Leopold