"Devil with devil damn'd Firm concord holds: men only disagree."

It is supposed that the character of Ashtaroth, which is a very new and extraordinary one, and does great honour to the daring goodness of Pulci's imagination, was not lost upon Milton, who was not only acquainted with the poem, but expressly intimates the pleasure he took in it.[11] Rinaldo advises this devil, as Burns did Lucifer, to "take a thought and mend." Ashtaroth, who had been a seraph, takes no notice of the advice, except with a waving of the recollection of happier times. He bids the hero farewell, and says he has only to summon him in order to receive his aid. This retention of a sense of his former angelical dignity has been noticed by Foscolo and Panizzi, the two best writers on these Italian poems.[12] A Calvinist would call the expression of the sympathy "hardened." A humanist knows it to be the result of a spirit exquisitely softened. An unbounded tenderness is the secret of all that is beautiful in the serious portion of our author's genius. Orlando's good-natured giant weeps even for the death of the scoundrel Margutte; and the awful hero himself, at whose death nature is convulsed and the heavens open, begs his dying horse to forgive him if ever he has wronged it.

Stories from the Italian Poets: With Lives of the Writers, Volume 1 — Part 143