ἀδαιμονέω

From LSJ

αὐτάρκης ἔσῃ, ἂν μάθῃς τί τὸ καλὸν κἀγαθόν ἐστι → you will be contented with your lot if you learn what the honourable and good is

Source

Spanish (DGE)

estar triste Eus.Alex.Serm.M.86.441C.