not many wise are called (1 Cor. 1:26). But the unbeliever uses his natural gifts to repress and attack the truth. Here Van Til’s famous illustration of the buzz saw is helpful: the unbeliever is like a buzz saw that is very sharp and efficient, but has been set in the wrong direction.16 Does regeneration give to believers new laws of logic, or new rules for constructing syllogisms? Certainly not. “I do not maintain,” he says, “that Christians operate according to new laws of thought any more than