Oh, no single piece of our mental world is to be hermetically sealed off from the rest, and there is not a square inch in the whole domain of our human existence over which Christ, who is Sovereign over all, does not cry: 'Mine!'
Sphere Sovereignty (p. 488) cited in James D. Bratt, ed., Abraham Kuyper, A Centennial Reader, (Grand Rapids, MI: Eerdmans, 1998).