He who believes in God without reserve, and is determined that God shall be God to him in all his thinking, feeling, willing--in the entire compass of his life-activities, intellectual, moral, spiritual, throughout all his individual, social, religious relations--is, by the force of that strictest of all logic which presides over the outworking of principles into thought and life, by the very necessity of the case, a Calvinist.
--B. B. Warfield, "Calvinism," in Calvin and Calvinism, vol. 5 of The Works of B. B. Warfield (repr., Grand Rapids: Baker, 1981), 354-56; quoted in Mark Noll's introduction to B. B. Warfield: Essays on His Life and Thought (P&R 2007), p. 10