“Wildlife is something which man cannot construct. Once it is gone, it is gone forever. Man can rebuild a pyramid, but he can't rebuild ecology, or a giraffe.”— Joy Adamson
“The problem of man's relation to his environment is a single problem, and it has to be looked at in its totality.”— Marston Bates
“All life is part of a complex chain of being, and we are all dependent on each other.”— Jacques-Yves Cousteau
“One of the penalties of an ecological education is that one lives alone in a world of wounds.”— Aldo Leopold
“That 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 Leopold
“Soil, soul, and society are the three words that best describe our relationship to the world.”— Satish Kumar
“Only the mountain has lived long enough to listen objectively to the howl of a wolf.”— Aldo Leopold