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

“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.”

“The defense mechanisms of The Imposter are: sarcasm, name-dropping, self-righteousness, the need to impress others and the need for others' approval.”

“Potter is mocked by a faculty member for the idea that there is evil in the world from which even children need to learn to defend themselves by the actual practice of doing so rather than familiarity with theory.”

“I'm not being defensive, I'm just defending myself.”

“Sometimes a wild horse needs to feel that his rider is just a little bit wilder.”