In order to dispose of an objection grounded on a text in St. John, St. Ambrose first shows that the Arian interpretation lends countenance to the Manichæans; then, after setting forth the different ways of dividing the words in this same passage, he shows plainly that it cannot, without dishonour to the Father, be understood with such reference to the Godhead as the Arians give it, and expounds the true meaning thereon.