[520c]
Callicles
Certainly.Socrates
And they alone, I presume, could most likely afford to give away their services without fee, if their words were true. For when a man has received any other service, for example, if he has acquired a fast pace from a trainer's lessons, he might possibly cheat him of his due if the trainer freely offered himself and did not stipulate for a fee to be paid down by the other as nearly as possible at the moment when he imparted to him the fast pace he required;
Certainly.Socrates
And they alone, I presume, could most likely afford to give away their services without fee, if their words were true. For when a man has received any other service, for example, if he has acquired a fast pace from a trainer's lessons, he might possibly cheat him of his due if the trainer freely offered himself and did not stipulate for a fee to be paid down by the other as nearly as possible at the moment when he imparted to him the fast pace he required;