The Republic by Plato Part 1 Page 81

Well, I said, Thrasymachus, that matter is now settled; but were we not also saying that injustice had strength; do you remember?

Yes, I remember, he said, but do not suppose that I approve of what you are saying or have no answer; if however I were to answer, you would be quite certain to accuse me of haranguing; therefore either permit me to have my say out, or if you would rather ask, do so, and I will answer ‘Very good,’ as they say to story-telling old women, and will nod ‘Yes’ and ‘No.

Certainly not, I said, if contrary to your real opinion.

Yes, he said, I will, to please you, since you will not let me speak. What else would you