Note 83 — Chapter XXIV · GORGIAS.
Reading edition
Compare a passage in the Republic (ii. p. 357) where Sokrates gives (or accepts, as given by Glaukon) a description of Good much more coincident with the Protagoras than with the Gorgias. The common property of all Good is to be desired or loved; and there are three varieties of it — 1. That which we desire for itself, and for its own sake, apart from all ulterior consequences, such as innocuous pleasures or enjoyments. 2. That which we desire both for itself and for its ulterior consequences, such as good health, good vision, good sense, &c. 3. That which we do not desire — nay, which we perhaps hate or shun, per se: but which we nevertheless desire and invite, in connection with and for the sake of ulterior consequences: such as gymnastic training, medical treatment when we are sick, labour in our trade or profession.
Here Plato admits the immediately pleasurable per se as one variety of good, always assuming that it is not countervailed by consequences or accompaniments of a painful character. This is the doctrine of the Protagoras, as distinguished from the Gorgias, where Sokrates sets pleasure in marked opposition to good.