The Republic by Plato Part 5 Page 55

can call their own, suits and complaints will have no existence among them; they will be delivered from all those quarrels of which money or children or relations are the occasion.

Of course they will.

Neither will trials for assault or insult ever be likely to occur among them. For that equals should defend themselves against equals we shall maintain to be honourable and right; we shall make the protection of the person a matter of necessity.

That is good, he said.

Yes; and there is a further good in the law; viz. that if a man has a quarrel with another he will satisfy his resentment then and there, and not proceed to more dangerous lengths.

Certainly.