The improvement of forest trees is the work of centuries. So much more the reason for beginning now. — George Perkins Marsh Copy Share Image
Man is everywhere a disturbing agent. Wherever he plants his foot, the harmonies of nature are turned to discords. — George Perkins Marsh Copy Share
The improvement of forest trees is the work of centuries. So much more the reason for beginning now. — George Perkins Marsh Copy Share
The equation of animal and vegetable life is too complicated a problem for human intelligence to solve, and we can never know how wide… — George Perkins Marsh Copy Share
When not protected by law, by popular favor or superstition, or by other special circumstances, [birds] yield very readily to the influences of civilization,… — George Perkins Marsh Copy Share
We have now felled forest enough everywhere, in many districts far too much. Let us restore this one element of material life to its… — George Perkins Marsh Copy Share
All Nature is linked together by invisible bonds and every organic creature, however low, however feeble, however dependent, is necessary to the well-being of… — George Perkins Marsh Copy Share
Man has too long forgotten that the earth was given to him for usufruct alone, not for consumption, still less for profligate waste. — George Perkins Marsh Copy Share
Apart from the hostile influence of man, the organic and the inorganic world are ... bound together by such mutual relations and adaptations s… — George Perkins Marsh Copy Share
Wherever modern Science has exploded a superstitious fable or even a picturesque error, she has replaced it with a grander and even more poetical… — George Perkins Marsh Copy Share
