"Examine each question in terms of what is ethically and aesthetically right, as well as what is economically expedient."

"Conservation is a state of harmony between men and land."

"We shall never achieve harmony with land, any more than we shall achieve absolute justice or liberty for people. In these higher aspirations, the important thing is not to achieve but to strive."

"Recreational development is a job not of building roads into the lovely country, but of building receptivity into the still unlovely human mind."

"To keep every cog and wheel is the first precaution of intelligent tinkering."

"We abuse land because we regard it as a commodity belonging to us. When we see land as a community to which we belong, we may begin to use it with love and respect."

"A thing is right when it tends to preserve the integrity, stability and beauty of the biotic community. It is wrong when it tends otherwise."

"Is education possibly a process of trading awareness for things of lesser worth? The goose who trades his is soon a pile of feathers."

"One swallow does not make a summer, but one skein of geese, cleaving the murk of March thaw, is the Spring."

"Harmony with land is like harmony with a friend; you cannot cherish his right hand and chop off his left."

"In June as many as a dozen species may burst their buds on a single day. No man can heed all of these anniversaries; no man can ignore all of them."