own. As the image-bearer of God, operating in a universe controlled by God, the unbeliever contributes indirectly and adventitiously to the development of human knowledge and culture. When Hackett maintains that the Calvinist position is irrational because it cannot give “reasons” for believing, he must mean that on a position such as mine the Christian does not accept the non-Christian scheme wherein the non-Christian determines what are “good reasons” and “valid proofs.” This is perfectly true,