Vincent van Gogh, Vincent Willem Gogh (1927). “The Letters of Vincent Van Gogh to His Brother, 1872-1886: With a Memoir by His Sister-in-law, J. Van Gogh-Bonger ...”
Horatio Nelson's advice to his Midshipmen (1793) as quoted in "Memoirs of the Life of Vice-Admiral, Lord Viscount Nelson, K.B., Duke of Bronte, Etc., Etc., Etc, Volume 2" edited by Thomas Joseph Pettigrew (p. 580), 1849.