The Republic by Plato Part 8 Page 18

Assuredly, he said.

Such is the origin and such the character of this State, which has been described in outline only; the more perfect execution was not required, for a sketch is enough to show the type of the most perfectly just and most perfectly unjust; and to go through all the States and all the characters of men, omitting none of them, would be an interminable labour.

Very true, he replied.

Now what man answers to this form of government-how did he come into being, and what is he like?

I think, said Adeimantus, that in the spirit of contention which characterises him, he is not unlike our friend Glaucon.

Perhaps, I said, he may be like him in that one point; but there are other respects in which he is very different.