Adam Smith (1817). “The Theory of Moral Sentiments: Or, An Essay Towards an Analysis of the Principles by which Men Naturally Judge Concerning the Conduct and Character, First of Their Neighbours, and Afterwards of Themselves : to which is Added, A Dissertation on the Origin of Languages”, p.550
Leo Tolstoy (2016). “WAR AND PEACE Complete Edition – All 15 Books in One Volume (World Classics Series): The Magnum Opus of the Greatest Russian Novelists and Author of Anna Karenina & The Death of Ivan Ilyich (Including the Biography & Memoirs of the Author)”, p.794, e-artnow