 The investigation concludes that the blameworthy cause of error lies in our improper use of our will. Neither the intellect nor the will is inherently defective (though each is, of course, finite), nor is there inherent defect in the design of how they cooperate – i.e., their design does not render error inevitable. The design does make for the possibility of error, in that “the scope of the will is wider than that of the intellect”: my will is able to assent to more kinds of matters than just those that I clearly and distinctly understand; “but instead of restricting it within the same limits, I extend its use to matters which I do not understand” (AT 7:58, CSM 2:40). In short, actual mistakes of judgment arise from user error: