The life of every river sings its own song, but in most the song is long marred by the discords of misuse.
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 LeopoldConservation will ultimately boil down to rewarding the private landowner who conserves the public interest.
Aldo LeopoldOur grandfathers were less well-housed, well-fed, well-clothed than we are. The strivings by which they bettered their lot are also those which deprived us of [Passenger] pigeons. Perhaps we now grieve because we are not sure, in our hearts, that we have gained by the exchange. The gadgets of industry bring us more comforts than the pigeons did, but do they add as much to the glory of the spring?
Aldo Leopold