David Hume (1824). “The Philosophical Works of David Hume ... Containing Dialogues Concerning Natural Religion, Essays on the Immortality of the Soul, Suicide ... &c. A New Edition”, p.118
Samuel Johnson, Arthur Murphy (1820). “The Works of Samuel Johnson, LL.D.: A New Edition in Twelve Volumes, to which is Prefixed, an Essay on His Life and Genius, by Arthur Murphy, Esq. Containing Adventurer and Rasselas”, p.186