When a thing has been said and well said, have no scruple: take it and copy it. – Anatole France, “The Creed”

The ancients, who in these matters were not perhaps such blockheads as some may conceive, considered poetical quotation as one of the requisite ornaments of oratory. – Isaac D’Israeli, “Quotation,” A Second Series of Curiosities of Literature

I have heard that nothing gives an Author so great Pleasure, as to find his Works respectfully quoted by other learned Authors. – Benjamin Franklin, “Preface,” Poor Richard Improved, wording verified by Respect