Human uses of mammals that "one is well advised to study the behaviour rather than attempting to get at any underlying emotion". Charles Darwin however had accepted the idea of emotion in animals, writing his 1872 book "The Expression of the Emotions in Man and Animals" on the subject. Darwin believed that mammals had social, mental and moral lives. In "The Descent of Man" (1871), he wrote: "There is no fundamental difference between man and the higher mammals in their mental faculties." Biologists remained wary of the idea, even for the great apes, but this led to serious difficulties, as Donald O. Hebb explained
The Man Who Had No Idea The Man Who Had No Idea "The Man Who Had No Idea" is a 1978 science fiction story by Thomas M. Disch. It was first published in "The Magazine of Fantasy and Science Fiction". In a world where licenses are required in order to participate in conversation, Barry Riordan risks failing his exam because he cannot think of anything original. "The Man Who Had No Idea" was a finalist for the 1979 Hugo Award for Best Novelette John Sladek considered it to depict "delightful problems". "Kirkus Reviews" noted that it "say(s) a great deal about our expectations of ourselves and