Thomas HODGSKIN (1832). “The Natural and Artificial Right of Property Contrasted. A Series of Letters Addressed, Without Permission, to H. Brougham, Esq., ... by the Author of “Labour Defended Against the Claims of Capital.” [T. Hodgskin. Each Letter Subscribed, “Labourer.”]”, p.24
Charles Haddon Spurgeon (1988). “Spurgeon at His Best: Over 2200 Striking Quotations from the World's Most Exhaustive and Widely-read Sermon Series”, Baker Publishing Group