Joshua 1:7a & 8a · LXX
ἴσχυε οὖν καὶ ἀνδρίζου...καὶ οὐκ ἀποστήσεται ἡ βίβλος τοῦ νόμου τούτου ἐκ τοῦ στόματός σου, καὶ μελετήσεις ἐν αὐτῷ ἡμέρας καὶ νυκτός, ἵνα συνῇς ποιεῖν πάντα τὰ γεγραμμένα·
"So then be strong! Act like a man!...This Book of the Law shall always be on your lips, and you shall meditate on it day and night, so that you may understand, and do, all that has been written in it."