The Republic by Plato Part 1 Page 17

That must have been his meaning, he said.

By heaven! I replied; and if we asked him what due or proper thing is given by medicine, and to whom, what answer do you think that he would make to us?

He would surely reply that medicine gives drugs and meat and drink to human bodies.

And what due or proper thing is given by cookery, and to what?

Seasoning to food.

And what is that which justice gives, and to whom?

If, Socrates, we are to be guided at all by the analogy of the preceding instances, then justice is the art which gives good to friends and evil to enemies.

That is his meaning then?