Attributed to Aristotle in Diogenes Laertius "The Lives and Opinions of Eminent Philosophers" translated by C. D. Yonge and Henry G. Bohn (p. 188), 1853.
William Shakespeare, Edmond Malone, James Boswell, Samuel Johnson, Mr. Theobald (Lewis) (1821). “The Plays and Poems of William Shakspeare: With the Corrections and Illustrations of Various Commentators”, p.20