Only when man's life comes to its end in prosperity can one call that man happy.
ὀλβίσαι δὲ χρή
βίον τελευτήσαντ᾿ ἐν εὐεστοῖ φίλῃ.
βίον τελευτήσαντ᾿ ἐν εὐεστοῖ φίλῃ.
Original text (Ancient Greek)
Notes from Wikiquote
Hold him alone truly fortunate who has ended his life in happy well-being. | Call no man happy till he is dead. | Also expressed by Sophocles at the end of "Oedipus The King".