(As he spake by the mouth of his holy prophets that have been from of old),

(As he said, by the mouth of his holy prophets, from the earliest times,)

καθως ελαλησε δια στοματος των αγιων, των απ' αιωνος προφητων αυτου,

As he spake by the mouth of his holy prophets, which have been since the world began: