Teach the student to see the land, understand what he sees, and enjoy what he understands.

Patriotism requires less and less of making the eagle scream, but more and more of making him think.

For one species to mourn the death of another is a new thing under the sun.

Like winds and sunsets, wild things were taken for granted until progress began to do away with them. Now we face the question whether a still higher 'standard of living' is worth its cost in things natural, wild and free. For us of the minority, the opportunity to see geese is more important than television.

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

One of the penalties of an ecological education is that one lives alone in a world of wounds.

We abuse land because we regard it as a commodity belonging to us.