The Republic by Plato Part 5 Page 57

And as the guardians will never quarrel among themselves there will be no danger of the rest of the city being divided either against them or against one another.

None whatever.

I hardly like even to mention the little meannesses of which they will be rid, for they are beneath notice: such, for example, as the flattery of the rich by the poor, and all the pains and pangs which men experience in bringing up a family, and in finding money to buy necessaries for their household, borrowing and then repudiating, getting how they can, and giving the money into the hands of women and slaves to keep — the many evils of so many kinds which people suffer in this way are mean enough and obvious enough, and not worth speaking of.

Yes, he said, a man has no need of eyes in order to perceive that.