Archelaus Acts of the Disputation with the Heresiarch Manes But from this we are able to show that there is a unison of powers in these two substances, that is to say, in that of the body and in that of the soul; of which unison that greatest teacher in the Scriptures, Paul, speaks, when he tells us, that "God hath set the members every one of them in the body as it hath pleased Him."[157]