He says from Him, as Augustine says in the book On the...

He says from Him, as Augustine says in the book On the Trinity, on account of the Father; he says through Him on account of the Son; in Him on account of the Holy Spirit. But by this, that he does not say from Them, through Them and in Them, nor does he say to Them (be) the glory, but to Him, he hints, that this Trinity is the One Lord God.