The implication of all this for Christian apologetics is plain. There can be no appeasement between those who presuppose in all their thought the sovereign God and those who presuppose in all their thought the would-be sovereign man. There can be no other point of contact between them than that of head-on collision. The root of both irrationalism and rationalism is the idea of the ultimacy of man. If this root is not taken out, it will do little good to trim off some of the wildest offshoots of irrationalism with the help of rationalism, or to trim off some of the wildest offshoots of rationalism with the help of irrationalism.
Cornelius Van Til, The Intellectual Challenge of the Gospel p.19