The Republic by Plato Part 1 Page 35

Just as if the two cases were at all alike! he said.

Why should they not be? I replied; and even if they are not, but only appear to be so to the person who is asked, ought he not to say what he thinks, whether you and I forbid him or not?

I presume then that you are going to make one of the interdicted answers?

I dare say that I may, notwithstanding the danger, if upon reflection I approve of any of them.

But what if I give you an answer about justice other and better, he said, than any of these?

What do you deserve to have done to you?

Done to me! — as becomes the ignorant, I must learn from the wise — that is what I deserve to have done to me.