Preserve the mean; the opportune moment is best in all things.

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

The half is greater than the whole.

Do not put all your goods in hollow ships.

If you speak evil, you will soon be worse spoken of.

A sparing tongue is the greatest treasure among men.