George Perkins Marsh
Author of Man and Nature who warned of human impact on the environment.
Quotes by George Perkins Marsh
The human race is a geological agent of great power.
The earth is a vast machine, which, if not properly managed, will soon cease to perform its functions.
The true measure of civilization is not the extent of man's dominion over nature, but the wisdom with which he exercises that dominion.
The earth is a living organism, and man is a part of its vital system.
The physical changes wrought by man are often more profound and lasting than those produced by natural causes.
The earth is a common property, and its resources should be managed for the common good.
The duty of man is to restore the disturbed harmonies of nature, and to co-operate with her in the work of improvement.
The earth is a great school, and man is its most diligent pupil.
The physical world is a mirror, reflecting the moral character of man.
The earth is a common heritage, and its resources should be used with prudence and foresight.
The true end of human endeavor is not to conquer nature, but to live in harmony with her.
The earth is a great book, and man is its most attentive reader.
The physical changes wrought by man are often more rapid and extensive than those produced by natural causes.
The earth is a common property, and its resources should be conserved for future generations.
The duty of man is to protect and preserve the natural world, not to destroy it.
The earth is a great teacher, and man is its most eager student.
The physical world is a reflection of the spiritual world.
The earth is a common heritage, and its resources should be managed with wisdom and justice.
The true end of human progress is not to dominate nature, but to live in harmony with her laws.
The earth is a great laboratory, in which man is constantly experimenting.