"Presuppositionalists, he held, are right to assert that the ultimate premises of Christian and anti–Christian systems of thought are utterly at odds in relation to their origin. On the other hand, evidentialists are right to assert that between Christian and anti–Christian systems of thought there is always a point of contact in the shape of reality itself. The reason for this point of contact, he argued, is that nonbelievers cannot bring themselves to be completely consistent with their own presuppositions, and this inconsistency is a result of what many call common grace and is in fact the reality of God having made, and spoken into, a defined and unavoidable creation. 'Thus, illogically', he wrote, 'men have in their accepted worldviews various amounts of that which is ours. But, illogical though it may be, it is there and we can appeal to it.'"