This article presented the apophatism of Pseudo-Dionysius the Areopagite, a mystical knowledge as refusing determine God as an objective concept and requires the abandonment of formulations that dare quit the Divine Mystery into categories. Therefore, it was necessary to discuss the principle, the difference between the apophaticism own ousia of Scholastic concludes that by reason of the impossibility of knowledge of the “substance” of the Absolute and the persona of the Areopagite concluded that, from personal a relationship and / existential (...) or establish with God, that He cannot be exhausted in noetic formulations of thought. In this sense, the apophatism presents as mystical resignation or a way of overcoming the knowledge of God, which is in the darkness and silence far away from all conceptual idolatry that dare to define Him; unless the symbolic language concluded from their phanias. Understood as mystical renunciation, this apophatism possible to understand God as the “Nothing of all that is” and how “Unnamed Name”; i.e., its nihility and your anonymity. KEYWORDS. (shrink)