" In the same way as some illiterate, if he saw an open book, would notice the figures, but would not comprehend the letters, so also the stupid and 'animal man' who 'does not perceive the things of God', may see the outward appearance of these visible creatures, but does not understand the reason within. "

― Hugh of Saint-Victor , Writings on the Spiritual Life: A Selection of Works of Hugh, Adam, Achard, Richard, Walter, and Godfrey of St Victor