• If you confine yourself to this Skinnerian technique, you study nothing but the learning apparatus and you leave out everything that is different in octopi, crustaceans, insects and vertebrates. In other words, you leave out everything that makes a pigeon a pigeon, a rat a rat, a man a man, and, above all, a healthy man healthy and a sick man sick.

    Richard Isadore Evans, Konrad Lorenz (1975). “Konrad Lorenz: The Man and His Ideas”, Harcourt