[332c]
Yes, he said.
And so whatever is done in a certain way is done by that kind of faculty, and whatever in an opposite way, by the opposite kind?
He agreed.
Pray now, I proceeded, is there such a thing as the beautiful?
He granted it.
Has this any opposite except the ugly?
None.
Well, is there such a thing as the good?
There is.
Has it any opposite but the evil?
None.
Tell me, is there such a thing as “shrill” in the voice?
Yes, he said.
Has it any other opposite than “deep.”
No, he said.
Now, I went on, each single opposite has but one opposite,
