Assuredly, he said.

And has not the soul an excellence also?

Yes.

[E]And can she or can she not fulfil her own ends when deprived of that excellence?

She cannot.

Then an evil soul must necessarily be an evil ruler and superintendent, and the good soul a good ruler?

Yes, necessarily.

Hence justice and happiness are necessarily connected. And we have admitted that justice is the excellence of the soul, and injustice the defect of the soul?

That has been admitted.

Then the just soul and the just man will live well, and the unjust man will live ill?