This Work was begun many Years ago, though altered in some Places by the Author, before his Death; as will appear by the modern Instances introduced in it. Many of which being so applicable to the present Time, is the Occasion of it being now published. As to any Exception which may be made to the Impurity of this Work, we shall transcribe what was written long ago in its Defence, from the Preface prefixed to Mr. Dryden's Translation of this Poem. 'A great many People are mistaken in these Books ...