The Republic by Plato Part 5 Page 54

them to preserve their true character of guardians.

Right, he replied.

Both the community of property and the community of families, as I am saying, tend to make them more truly guardians; they will not tear the city in pieces by differing about ‘mine’ and ‘not mine;’ each man dragging any acquisition which he has made into a separate house of his own, where he has a separate wife and children and private pleasures and pains; but all will be affected as far as may be by the same pleasures and pains because they are all of one opinion about what is near and dear to them, and therefore they all tend towards a common end.

Certainly, he replied.

And as they have nothing but their persons which they