Watchman Nee (1993). “The Finest of the Wheat, vol 2: Selected Excerpts from the Published Works of Watchman Nee”, p.41, Christian Fellowship Publishers
George Whitefield (1828). “Sermons on important subjects ... With a memoir of the Author by S. Drew; and a dissertation on his character, preaching, etc., by Joseph [or rather Josiah] Smith”, p.57