Romeo & Juliet

William shakespeare, affects dogs as well

Romeo : Why, Juliet ? Why ?? Why won't you accept my love???
Juliet : I can't, Romeo. We're just too different.
Romeo : What? What are you saying?
Juliet : I came from a royal, high status blood line (pedigree), and you, are just a lowly-random-found dog. That's what my master said.
Romeo : I don't care about that! And, why? Why should you listen to your master, Juliet?
Juliet : Thats because we're a dog, you idiot.

Source : all-creatures.org