One of the anomalies of modern ecology is the creation of two groups, each of which seems barely aware of the existence of the other. The one studies the human community, almost as if it were a separate entity, and calls its findings sociology, economics and history. The other studies the plant and animal community and comfortably relegates the hodge-podge of politics to the liberal arts. The inevitable fusion of these two lines of thought will, perhaps, constitute the outstanding advance of this century.
Aldo LeopoldThe road to conservation is paved with good intentions that often prove futile, or even dangerous, due to a lack of understanding of either land or economic land use.
Aldo LeopoldThe life of every river sings its own song, but in most the song is long marred by the discords of misuse.
Aldo LeopoldNo matter how intently one studies the hundred little dramas of the woods and meadows, one can never learn all the salient facts about any one of them.
Aldo Leopold