A leopard doesn't change his spots just because you bring...

A leopard doesn't change his spots just because you bring him in from the jungle and try to housebreak him and turn him into a pet. He may learn to sheathe his claws in order to beg a few scraps off the dinner table, and you may teach him to be a beast of burden, but it doesn't pay to forget that he'll al ways be what he was born: a wild animal.