Teach the student to see the land, understand what he sees, and enjoy what he understands.
Aldo LeopoldRecreational development is a job not of building roads into lovely country, but of building receptivity into the still unlovely human mind.
Aldo LeopoldPatriotism requires less and less of making the eagle scream, but more and more of making him think.
Aldo LeopoldMechanized recreation already has seized nine-tenths of the woods and mountains; a decent respect for minorities should dedicate the other tenth to wilderness.
Aldo LeopoldOne of the penalties of an ecological education is that one lives alone in a world of wounds. Much of the damage inflicted on land is quite invisible to laymen. An ecologist must either harden his shell and make believe that the consequences of science are none of his business, or he must be the doctor who sees the marks of death in a community that believes itself well and does not want to be told otherwise.
Aldo Leopold