The direction is clear, and the first step is to throw your weight around on matters of right and wrong in land-use. Cease being intimidated by the a… - Aldo Leopold

During every week from April to September there are, on the average, ten wild plants coming into first bloom. … No man can heed all of these anniversaries; no man can ignore all of them. … Tell me of what plant-birthday a man takes notice, and I shall tell you a good deal about his vocation, his hobbies, his hay fever, and the general level of his ecological education.

When we hear [the crane’s] call we hear no mere bird. We hear the trumpet in the orchestra of evolution. He is the symbol of our untamable past, of that incredible sweep of millennia which underlies and conditions the daily affairs of birds and men.

Above all we should, in the century since Darwin, have come to know that man, while now captain of the adventuring ship, is hardly the sole object of its quest, and that his prior assumptions to this effect arose from the simple necessity of whistling in the dark.
These things, I say, should have come to us. I fear they have not come to many.