When Chou heard, he told him: "It's best that I don't talk, and best that you don't ask. Chickens don't understand ducks. Ducks don't understand geese. Geese don't understand the fish or the turtles ...." That prompted the friend to exclaim, "Enough!
周公聞言即如此回答：「我最好不要談，你最好也不要問，因為雞不知鴨；鴨不知鵝；鵝不知魚鱉……」，激得朋友直說：「夠了，夠了，不會再問了！」