Ability to see the cultural value of wilderness boils down, in the last analysis, to a question of intellectual humility. - Aldo Leopold

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.

Engineers did not discover insulation: they copied it from these old soldiers of the prairie war.

We speak glibly of conservation education, but what do we mean by it? If we mean indoctrination, then let us be reminded that it is just as easy to indoctrinate with fallacies as with facts. If we mean to teach the capacity for independent judgement, then I am appalled by the magnitude of the task.