"The Security I Like Best". Warren Buffett, The Commercial and Financial Chronicle (December 6, 1951), as quoted in "5 Tips From Warren Buffett Every Investor Should Take to Heart" by Stacy Rapacon, grow.acorns.com. August 24, 2017.
Edward Gibbon (2016). “THE HISTORY OF THE DECLINE AND FALL OF THE ROMAN EMPIRE (All 6 Volumes): From the Height of the Roman Empire, the Age of Trajan and the Antonines - to the Fall of Byzantium; Including a Review of the Crusades, and the State of Rome during the Middle Ages”, p.374, e-artnow