We must recognise that duty and morality vary under different circumstances; not that the man who resists evil is doing what is always and in itself wrong, but that in the different circumstances in which he is placed it may become even his duty to resist evil.
And it is characteristic of man that he alone has any sense of good and evil, of just and unjust, and the like, and the association of living beings who have this sense makes family and a state.
The atheists are for the most part imprudent and misguided scholars who reason badly who, not being able to understand the Creation, the origin of evil, and other difficulties, have recourse to the hypothesis the eternity of things and of inevitability.
The contagion of crime is like that of the plague. Criminals collected together corrupt each other. They are worse than ever when, at the termination of their punishment, they return to society.
Everything is deception: seeking the minimum of illusion, keeping within the ordinary limitations, seeking the maximum. In the first case one cheats the Good, by trying to make it too easy for oneself to get it, and the Evil by imposing all too unfavorable conditions of warfare on it. In the second case one cheats the Good by keeping as aloof from it as possible, and the Evil by hoping to make it powerless through intensifying it to the utmost.