The Two Natures of Christ—The Union of the Human and Divine Natures (2)

3. The analogy of body and soul. Various analogies have been used to help explain the union of Christ's two natures and to show that faith in this union is not unreasonable. Regarding the use of these analogies to show the plausibility of belief in Christ's two natures, we should remember that this is a matter of faith and not of demonstration. It is part of the great "mystery of godliness" (I Tim. 3:16), and is something, therefore, that the natural man cannot receive by any amount of proof....