John Flavel (1840). “Divine Conduct: Or, The Mystery of Providence, Wherein the Being and Efficacy of Providence are Asserted and Vindicated ... and the Proper Course of Improving All Providences Pointed Out”, p.58
Oswald Chambers (2015). “Biblical Ethics / The Moral Foundations of Life / The Philosophy of Sin: Ethical Principles for the Christian Life”, p.314, Discovery House