An evil plan does mischief to the planner.

Never make a companion equal to a brother.

...Perses, hear me out on justice, and take what I have to say to heart; cease thinking of violence. For the son of Kronos, Zeus, has ordained this law to men: that fishes and wild beasts and winged birds should devour one another, since there is no justice in them; but to mankind he gave justice which proves for the best.

In work there is no shame; shame is in the idleness.

Evil can be got very easily and exists in quantity: the road to her is very smooth, and she lives near by. But between us and virtue the gods have placed the sweat of our brows; the road to her is long and steep, and it is rough at first; but when a man has reached the top, then she is easy to attain, although before she was hard.

Do not put all your goods in hollow ships.

But they who give straight judgements to strangers and to those of the land and do not transgress what is just, for them the city flourishes and its people prosper.