 In what sense is it innate? Just as rational creatures have a natural capacity to judge the veracity of first principles in the realm of speculative reason, so we have an innate capacity to judge the first principles of practical reason. This innate capacity to immediately grasp such principles as true or not in the realm of practical reason is called conscience. It is associated, for Bonaventure, with the Augustinian “natural light”—or “natural tribunal”—that is built into the structure of the mind and which permits rational agents to intuitively grasp the basic principles of the natural law (see, e.g., Augustine, City of God, 11.27, Bettenson trans. 1972: 461–462). Just as the mind is disposed to grasp, in the realm of theoretical reason, the axiomatic nature of such propositions as that “all bachelors are unmarried males”, so too it has a innate disposition to grasp as self-evidently true such basic principles in the domain of practical reason as “Honour thy father and mother” and “Do not harm thy neighbour”.