Full Idea
A hedonist must say that someone who happens to be feeling pain rather than pleasure is, as long as the pain lasts, a bad man, even if he is the most virtuous man in the world.
Gist of Idea
Hedonists must say that someone in pain is bad, even if they are virtuous
Source
Plato (Philebus [c.354 BCE], 55b)
Book Reference
Plato: 'Philebus', ed/tr. Waterfield,Robin [Penguin 1982], p.128