The Republic by Plato Part 9 Page 43

And when persons are suffering from acute pain, you must have heard them say that there is nothing pleasanter than to get rid of their pain?

I have.

And there are many other cases of suffering in which the mere rest and cessation of pain, and not any positive enjoyment, is extolled by them as the greatest pleasure?

Yes, he said; at the time they are pleased and well content to be at rest.

Again, when pleasure ceases, that sort of rest or cessation will be painful?

Doubtless, he said.

Then the intermediate state of rest will be pleasure and will also be pain?

So it would seem.

But can that which is neither become both?