If the imagination intoxicates the poet, it is not inactive in other men. The metamorphosis excites in the beholder an emotion of joy. The use of symbols has a certain power of emancipation and exhilaration for all men. We seem to be touched by a wand which makes us dance and run about happily, like children. We are like persons who come out of a cave or cellar into the open air. This is the effect on us of tropes, fables, oracles, and all poetic forms. Poets are thus liberating gods. Men have really got a new sense, and found within their world another world, or nest of worlds; for, the metamorphosis once seen, we divine that it does not stop. I will not now consider how much this makes the charm of algebra and the mathematics, which also have their tropes, but it is felt in every definition; as when Aristotle defines space to be an immovable vessel in which things are contained;—or when Plato defines a line to be a flowing point; or figure to be a bound of solid; and many the like. What a joyful sense of freedom we have when Vitruvius announces the old opinion of artists that no architect can build any house well who does not know something of anatomy. When Socrates, in Charmides, tells us that the soul is cured of its maladies by certain incantations, and that these incantations are beautiful reasons, from which temperance is generated in souls; when Plato calls the world an animal, and Timaeus affirms that the plants also are animals; or affirms a man to be a heavenly tree, growing with his root, which is his head, upward; and, as George Chapman, following him, writes,—

“So in our tree of man, whose nervie root

Springs in his top;”—

when Orpheus speaks of hoariness as “that white flower which marks extreme old age;” when Proclus calls the universe the statue of the intellect; when Chaucer, in his praise of ‘Gentilesse,’ compares good blood in mean condition to fire, which, though carried to the darkest house betwixt this and the mount of Caucasus, will yet hold its natural office and burn as bright as if twenty thousand men did it behold; when John saw, in the Apocalypse, the ruin of the world through evil, and the stars fall from heaven as the figtree casteth her untimely fruit; when Aesop reports the whole catalogue of common daily relations through the masquerade of birds and beasts;—we take the cheerful hint of the immortality of our essence and its versatile habit and escapes, as when the gypsies say of themselves “it is in vain to hang them, they cannot die.”