" He had not become violent, though his behavior had been what Hansen termed “extraordinarily wilful.” Later on, in private, Hansen wondered whether Gideon’s behavior had not always been wilful, in that it had always been self-directed, and whether he should not have used, instead, the word “irrational.” That would have been the expectable word. But its expectability led him to wonder if Gideon’s behavior (as a theoretical physicist) had ever been rational; and, in fact, if his own behavior (as a theoretical physicist, or otherwise) had ever been adequately describable by the term “rational.” He said nothing, however, of these speculations, and worked very hard for several weekends at building a rock garden at the side of his house. "

― Ursula K. Le Guin , The Unreal and the Real: The Selected Short Stories of Ursula K. Le Guin