Michel de Montaigne, James Hain Friswell (1866). “Essays by Montaigne. [A selection.] Edited, compared, revised, and annotated by the Author of “The Gentle Life” [J. H. Friswell].”, p.318
Ban Ki-moon's closing remarks at High Level Plenary Meeting of the General Assembly on the Millennium Development Goals, www.un.org. September 22, 2010.
James Boswell, Samuel Johnson (1824). “The Life of Samuel Johnson, LL. D., Comprehending an Account of His Studies, and Numerous Works, in Chronological Order: A Series of His Epistolary Correspondence and Conversations with Many Eminent Persons; and Various Original Pieces of His Composition, Never Before Published; the Whole Exhibiting a View of Literature and Literary Men in Great Britain, for Near Half a Century During which He Flourished”, p.339