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And instead of saying simply as we did at first, that it is just

to do good to our friends and harm to our enemies, we should

further say: It is just to do good to our friends when they are

good and harm to our enemies when they are evil?

Yes, that appears to me to be the truth.

But ought the just to injure any one at all?

Undoubtedly he ought to injure those who are both wicked and his

enemies.

When horses are injured, are they improved or deteriorated?

The latter.

Deteriorated, that is to say, in the good qualities of horses,

not of dogs?

Yes, of horses.

And dogs are deteriorated in the good qualities of dogs, and not

of horses?

Of course.

And will not men who are injured be deteriorated in that which is

the proper virtue of man?

Certainly.

And that human virtue is justice?

To be sure.

Then men who are injured are of necessity made unjust?

That is the result.

But can the musician by his art make men unmusical?

Certainly not.

Or the horseman by his art make them bad horsemen?

Impossible.