Psalms of Solomon 17:45

ποιμαίνων τὸ ποιμνίον Κυρίου ἐν πίστει καὶ δικαιοσύνῃ, καὶ οὐκ ἀφήσει ἀσθενῆσαι ἐν αὐτοῖς ἐν τῇ νομῇ αὐτῶν

Swete's Septuagint