Justice is shown to be good in the entire city, and by analogy it is also good in the individual.

He accordingly proceeds to construct his ideal commonwealth.

In the course of this construction many ethical views crop out.
The state must prescribe the religious belief, and allow no compositions at variance with it.

The gods must always be set forth as the causes of good; they must never be represented as the authors of evil, nor as practising deceit.

Neither is it to be allowed to represent men as unjust, yet happy; or just, and yet miserable.