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 Watson, R. Armstrong (1816). “The Christian Soldier: Or, Heaven Taken by Storm, Shewing the Holy Violence a Christian is to Put Forth in the Pursuit After Glory. To which is Added: The Happiness of Drawing Near to God, and The Saint's Desire to be with Christ”, p.25
William Gurnall (1979). “The Christian in Complete Armour: A Treatise of the Saints' War Against the Devil: Wherein a Discovery is Made of that Grand Enemy of God and His People, in His Policies, Power, Seat of His Empire, Wickedness, and Chief Design He Hath Against the Saints : a Magazine Opened, from Whence the Christian is Furnished with Spiritual Arms for the Battle, Helped on with His Armour, and Taught the Use of His Weapon: Together with the Happy Issue of the Whole War”, Banner of Truth