Mahatma Gandhi (1965). “Glorious Thoughts of Gandhi: Being a Treasury of about Ten Thousand Valuable and Inspiring Thougths of Mahatma Gandhi, Classified Under Four Hundred Subjects”
Thomas Paine (1824). “The Political Writings of Thomas Paine: Secretary to the Committee of Foreign Affairs in the American Revolution : to which is Prefixed a Brief Sketch of the Author's Life”, p.186