All ethics so far evolved rest upon a single premise: that the individual is a member of a community of interdependent parts. . . The land ethic simply enlarges the boundaries of the community to include soils, waters, plants, and animals, or collectively: the land.
Aldo LeopoldThe most important characteristic of an organism is that capacity for internal self-renewal known as health. There are two organisms whose processes of self-renewal have been subjected to human interference and control. One of these is man himself (medicine and public health). The other is land (agriculture and coservation). The effort to control the health of land has not been very successful.
Aldo LeopoldLike winds and sunsets, wild things were taken for granted until progress began to do away with them
Aldo LeopoldOn motionless wing they emerge from the lifting mists, sweep a final arc of sky, and settle in clangorous descending spirals to their feeding grounds. A new day has begun on the crane marsh.
Aldo Leopold