Thomas Carlyle, Edwin Markham (1842). “On Heroes, Hero-worship, and the Heroic in History: Six Lectures, Reported, with Emendations and Additions”, p.215
Miyamoto Musashi, Yamamoto Tsunetomo, Inazo Nitobe (2010). “Honor: Samurai Philosophy of Life - The Essential Samurai Collection; The Book of Five Rings, Hagakure: The Way of the Samurai, Bushido: The Soul of Japan.”, p.10, Bottom of the Hill
William Gurnall (1669). “The Christian in Compleat Armour, Or, A Treatise of the Saints War Against the Devil: Wherein a Discovery is Made of that Grand Enemy of God and His People, in His Policies, Power, Seat of His Empire, Wickedness, and Chief Design He Hath Against the Saints ...”, p.270