 Truth, which exists only by the relation of conformity of thought to its object, is contingent in that it depends on God’s will in his free creation of the universe. Truth is eternal in its independence from time or temporal variations, and it is immutable in that once God wills the world, things never change in respect to their substance but only in respect to their modes of being. Although we must wait to know what things God actually created, we are guaranteed of the truth of our ideas since it is the object itself that determines what we perceive.  Truth is necessary in that God gives all objects He creates an irrevocable being, but it is contingent in relation to His absolute and unlimited power. God is the equal author of the essence and the existence of things He created, He “… gave them their essence and their existence which are equally contingent, and which once received, are nevertheless possessed by them irrevocably” (OPD 6: 249). Desgabets’s voluntarism, then, is a qualified one, for though the eternal truths depend upon God for their existence as their primary cause, they are no less indefectible, that is, they are unchangeable in their substantial being.