And yet, my courageous friend, maybe, if by chance there is some other animal which is rational, as for example the crane seems to be, or some other such creature, and which perhaps distributes names on the same principles as you, it might oppose cranes as one class to all other living creatures and give itself airs, taking all the rest together with human beings and putting them into the same category, which it would call by no other name except perhaps 'animals'.