Now, I said, you are on more substantial and almost unanswerable ground; for if the injustice which you were maintaining to be profitable had been admitted by you as by others to be vice and deformity, an answer might have been given to you on received principles; but now I perceive that you will call injustice honourable and strong, and to the unjust you will attribute all the qualities which were attributed by us before to the just, seeing that you do not hesitate to rank injustice with wisdom and virtue.

You have guessed most infallibly, he replied.

Then I certainly ought not to shrink from going through with the argument so long as I have reason to think that you, Thrasymachus, are speaking your real mind; for I do believe that you are now in earnest and are not amusing yourself at our expense.