  In the Commentary, Bonaventure introduces his arguments for God’s existence with an elaborate treatment of truth. As a relation, truth always involves a comparison. Epistemological truth is an “indivision” between the human mind and the thing known. Ontological truth is an “indivision” between potency and act within a creature; the more it fulfills its nature, the truer it is. These two senses of truth open up a comparison of creature as participant to God as exemplar. All three, epistemological, ontological, participationist truths, are imperfect, combinations of truth and falsity. They point to their exemplar, the one “pure” truth, present only in God, where there is “pure indivision mixed with no  diversity.”[55]  This last sense of truth Bonaventure uses in his ontological argument: