“Grown men do not need leaders.”

“A man could be a lover and defender of the wilderness without ever in his lifetime leaving the boundaries of asphalt, powerlines, and right-angled surfaces. We need wilderness whether or not we ever set foot in it. We need a refuge even though we may never need to set foot in it. We need the possibility of escape as surely as we need hope; without it the life of the cities would drive all men into crime or drugs or psychoanalysis.”

“How could anything non-controversial be of intellectual interest to grown-ups?”

“There is this to be said for walking: it is the one method of human locomotion by which a man or woman proceeds erect, upright, proud and independent, not squatting on the haunches like a frog.Little boys love machines. Grown-up mean and women like to walk.”

“The idea of wilderness needs no defense, it only needs defenders.”

“What do we know? What do we really know? He licks his dried cracked lips. We know this apodictic rock beneath our feet. That dogmatic sun above our heads. The world of dreams, the agony of love and the foreknowledge of death. That is all we know. And all we need to know? Challenge that statement. I challenge that statement. With what? I don't know.”

“Humanity has four and a half billion passionate advocates - but how many speak....for the gray wolf?....it is a man's duty to speak for the voiceless. A woman's obligation to aid the defenseless. Human needs do not take precedence over other forms of life; we must share this lovely, delicate, vapor-clouded little planet with all”