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.

The hope of the future lies not in curbing the influence of human occupancy - it is already too late for that - but in creating a better understanding of the extent of that influence and a new ethic for its governance.

To those who know the speech of hills and rivers straightening a stream is like shipping vagrants—a very successful method of passing trouble from one place to the next. It solves nothing in any collective sense.

If we lose our wilderness, we have nothing left worth fighting for.

A thing is right when it tends to preserve the integrity, stability and beauty of the biotic community. It is wrong when it tends otherwise.

A river or stream is a cycle of energy from sun to plants to insects to fish. It is a continuum broken only by humans.

At first blush I am tempted to conclude that a satisfactory hobby must be in large degree useless, inefficient, laborious, or irrelevant.