According to Diogenes Laërtius’ third-century Lives and Opinions of the Eminent Philosophers, Plato was applauded for his definition of man as a featherless biped, so Diogenes the Cynic “plucked the feathers from a cock, brought it to Plato’s school, and said, ‘Here is Plato’s man.’ ” When asked about the origin of his epithet, cynic deriving from the Greek word for dog, Diogenes replied that it was given to him because he “fawns upon those who give him anything and barks at those who give him nothing.”

“My music is best understood by animals and children,” Igor Stravinsky said in 1961. Over two millennia earlier, Aristotle had counseled in The Politics that young men ought to attain a musical sophistication with “a capacity for enjoying noble melodies and rhythms and not merely that general effect of music which is enjoyed by some of the lower animals, as well as by a number of slaves and children.”