 Nicholas of Cusa does not neatly divide ontology from epistemology any more than he separates faith and reason, so it seems fitting that his ideas on human knowing emphasize the metaphor of mind as measure (mens/mensura) already mentioned in On Learned Ignorance. This becomes the significant way that human minds are images of the divine mind. In his 1450 dialogue, Idiota de mente: The Layman: About Mind, the first “definition” proposed for mind may fit the divine mind better than the human: “Mind is the limit and measure of all things” (c.1). Cusanus proceeds to employ the quasi-technical metaphor from On Learned Ignorance, “enfolding/unfolding—complicatio/explicatio,” to spell out just how our minds are images of God’s mind. These moves already separate his ideas about human knowing from those of both his scholastic predecessors and his post-Renaissance successors. He writes: