[Augustin would find this “image” in the ternaries of nature and the human mind which illustrate the Divine trinality. The remainder of the treatise is mainly devoted to this abstruse subject; and is one of the most metaphysical pieces of composition in patristic literature. The exegetical portion of the work ends substantially with the seventh chapter. The remainder is ontological, yet growing out of, and founded upon the biblical data and results of the first part.—W.G.T.S.]