What a dull world if we knew all about geese! - Aldo Leopold

In farm country, the plover has only two real enemies: the gully and the drainage ditch. Perhaps we shall one day find that these are our enemies, too.

An ethic to supplement and guide the economic relation to land presupposes the existence of some mental image of land as a biotic mechanism.

Science contributes moral as well as material blessings to the world. Its great moral contribution is objectivity, or the scientific point of view. This means doubting everything except facts; it means hewing to the facts, let the chips fall where they may.