A man who works evil against another works it really against himself, and bad advice is worst for the one who devised it

Do not put all your goods in hollow ships.

For a man wins nothing better than a good wife, and then again nothing deadlier than a bad one.

For now indeed is the race of iron; and men never cease from labour and sorrow by day and from perishing by night.

Far best is he who is himself all-wise, and he, too, good who listens to wise words; But whoso is not wise or lays to hear another's wisdom is a useless man.

Often even a whole city suffers for a bad man who sins and contrives presumptuous deeds.

In front of excellence, the immortal gods have put sweat, and long and steep is the way to it.