The worthiness of any cause is not measured by its clean record, but by its readiness to see the blots when they are pointed out, and to change its mind.
Aldo LeopoldWe face the question whether a still higher "standard of living" is worth its cost in things natural, wild, and free.
Aldo LeopoldOur ability to perceive quality in nature begins, as in art, with the pretty. It expands through successive stages of the beautiful to values as yet uncaptured by language.
Aldo LeopoldTwo things hold promise of improving those lights. One is to apply science to land-use. The other is to cultivate a love of country a little less spangled with stars, and a little more imbued with that respect for mother-earth - the lack of which is, to me, the outstanding attribute of the machine-age.
Aldo Leopold