Polypheme
, the
Sirens
, nay the whole
Odyssey
and
Iliad
, to be Allegories; but allowing this to be true, they are Fables, which considering the Opinions of Mankind that prevailed in the Age of the Poet, might possibly have been according to the Letter. The Persons are such as might have acted what is ascribed to them, as the Circumstances in which they are represented, might possibly have been Truths and Realities. This Appearance of Probability is so absolutely requisite in the greater kinds of Poetry, that
Aristotle
observes the Ancient Tragick Writers made use of the Names of such great Men as had actually lived in the World, tho' the Tragedy proceeded upon Adventures they were never engaged in, on purpose to make the Subject more Credible. In a Word, besides the hidden Meaning of an Epic Allegory, the plain litteral Sense ought to appear Probable. The Story should be such as an ordinary Reader may acquiesce in, whatever Natural, Moral, or Political Truth may be discovered in it by Men of greater Penetration.