Genèse 27:39-40

39ἀποκριθεὶς δὲ Ισαακ ὁ πατὴρ αὐτοῦ εἶπεν αὐτῷ Ἰδοὺ ἀπὸ τῆς πιότητος τῆς γῆς ἔσται ἡ κατοίκησίς σου καὶ ἀπὸ τῆς δρόσου τοῦ οὐρανοῦ ἄνωθεν·

40καὶ ἐπὶ τῇ μαχαίρῃ σου ζήσῃ καὶ τῷ ἀδελφῷ σου δουλεύσεις· ἔσται δὲ ἡνίκα ἐὰν καθέλῃς, καὶ ἐκλύσεις τὸν ζυγὸν αὐτοῦ ἀπὸ τοῦ τραχήλου σου.