How dreadful knowledge of the truth can be when there's no help in truth!
Zeus detests above all the boasts of a proud tongue.
Whoever grows angry amid troubles applies a drug worse than the disease and is a physician unskilled about misfortunes.
What greater wound is there than a false friend?
A fool cannot be an actor, though an actor may act a fool's part.
Fortune is not on the side of the faint-hearted.