The Republic by Plato Part 1 Page 31

Most true, he said.

Yes, I said; but if this definition of justice also breaks down, what other can be offered?

Several times in the course of the discussion Thrasymachus had made an attempt to get the argument into his own hands, and had been put down by the rest of the company, who wanted to hear the end. But when Polemarchus and I had done speaking and there was a pause, he could no longer hold his peace; and, gathering himself up, he came at us like a wild beast, seeking to devour us. We were quite panic-stricken at the sight of him.

He roared out to the whole company: What folly, Socrates, has taken possession of you all? And why, sillybillies, do you knock under to one another?