The mathematician Joseph-Louis Lagrange said that Newton was the greatest genius who ever lived, and once added that Newton was also "the most fortunate, for we cannot find more than once a system of the world to establish."Fred L. Wilson, History of Science: Newton citing: Delambre, M. "Notice sur la vie et les ouvrages de M. le comte J.L. Lagrange", Oeuvres de Lagrange I. Paris, 1867, p. xx. English poet Alexander Pope wrote the famous epitaph:
