When not protected by law, by popular favor or superstition, or by other special circumstances, [birds] yield very readily to the influences of civil….

Man has too long forgotten that the earth was given to him for usufruct alone, not for consumption, still less for profligate waste..

Wherever modern Science has exploded a superstitious fable or even a picturesque error, she has replaced it with a grander and even more poetical tru….

Sight is a faculty; seeing is an art..

Man is everywhere a disturbing agent. Wherever he plants his foot, the harmonies of nature are turned to discords..

We have now felled forest enough everywhere, in many districts far too much. Let us restore this one element of material life to its normal proportio….

All Nature is linked together by invisible bonds and every organic creature, however low, however feeble, however dependent, is necessary to the well….

Apart from the hostile influence of man, the organic and the inorganic world are ... bound together by such mutual relations and adaptations s secure….

The equation of animal and vegetable life is too complicated a problem for human intelligence to solve, and we can never know how wide a circle of di….

The great question, whether man is of nature or above her..

The improvement of forest trees is the work of centuries. So much more the reason for beginning now..