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ON THE DIFFERENCE BETWEEN POETRY AND THEOLOGY
Holy Scripture—which we call theology—sometimes under the form of history, again in the meaning of a vision, now by the signification of a lament, and in many other ways, designs to reveal to us the high mystery of the incarnation of the Divine Word, his life, the circumstances of his death, his victorious resurrection and wonderful ascension, and his other acts, so that, being thus taught, we may attain to that glory which He by his death and resurrection opened to us, after it had been long closed through the sin of the first man. In like manner do poets in their works—which we term poetry—sometimes under fictions of various gods, again by the transformation of men into imaginary forms, and at times by gentle persuasion, reveal to us the causes of things, the effects of virtues and of vices, what we ought to flee and what follow; in order that we may attain by virtuous action the end that they, although they did not rightly know the true God, believed to be our supreme salvation.
Thus the Holy Spirit wished to show by the green bush, wherein Moses saw God like unto a burning flame, the virginity of her that above every other creature is pure, who was to be the habitation and retreat of the Lord of Nature, and yet was not to be contaminated by her conception, nor by the birth of the Word of the Father. In the vision seen by Nebuchadnezzar of the statue of many metals, demolished by a stone which, in turn, was changed into a mountain, the Holy Spirit would declare that all past ages
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