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

Conservation is a positive exercise of skill and insight, not merely a negative exercise of abstinence and caution.

My dog does not care where heat comes from, but he cares that it comes, and soon. Indeed he considers my ability to make it come as something magical, for when I rise in the coal black pre-dawn and kneel by the hearth to make a fire, he pushes himself blandly between me and the kindling splits I have laid in the ashes, and I must touch a match to them by poking it between his legs. Such faith , I suppose, is the kind that moves mountains.

The last word in ignorance is the man who says of an animal or plant: 'What good is it?

Acts of creation are ordinarily reserved for gods and poets, but humbler folk may circumvent this restriction if they know how. To plant a pine, for example, one need be neither god nor poet; one need only own a shovel.

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

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