Cease being intimidated by the argument that a right action is impossible because it does not yield maximum profits, or that a wrong action is to be condoned because it pays.

There is value in any experience that exercises those ethical restraints collectively called sportsmanship.

A conservationist is one who is humbly aware that with each stroke [of the axe] he is writing his signature on the face of his land.

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

We can be ethical only in relation to something we can see, feel, understand, love, or otherwise have faith in.

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.

Our tools are better than we are, and grow better faster than we do. They suffice to crack the atom, to command the tides, but they do not suffice for the oldest task in human history, to live on a piece of land without spoiling it.