A Wizard of Earthsea (Earthsea Cycle, #1)

by Ursula K. Le Guin

And the truth is that as a man’s real power grows and his knowledge widens, ever the way he can follow grows narrower: until at last he chooses nothing, but does only and wholly what he must do . . .”

It is very hard for evil to take hold of the unconsenting soul.

man: who, knowing his whole true self, cannot be used or possessed by any power other than himself, and whose life therefore is lived for life’s sake and never in the service of ruin, or pain, or hatred, or the dark.