“[On the naturalist’s] assumption his own rationality is a product of chance. On his assumption even the laws of logic that he employs are products of chance. …[Therefore] Christian theism… is the only position that gives human reason a field for successful operation and a method of true progress in knowledge” (Christian Apologetics, Cornelius Van Til, p. 132).
“To admit one’s own presuppositions and to point out the presupposition of others is therefore to maintain that all reasoning is, in the nature of the case, circular reasoning. The starting point, the method, and the conclusion are always involved in one another” (Christian Apologetics, Cornelius Van Til, p. 130).