οὐρανοῦ ἀναπτυχαί

From LSJ

μὴ μόνον τοὺς ἁμαρτάνοντας κόλαζε, ἀλλὰ καὶ τοὺς μέλλοντας κώλυε → punish not only those who do wrong, but those who intend to do so

Source

Greek > English (Woodhouse)

the vault of heaven