Dionysius The Areopagite: The Mystical Theology And The Celestial Hierarchies is a book written by Dionysius the Areopagite, a Christian theologian from the 5th century. The book is divided into two parts, the first being The Mystical Theology and the second being The Celestial Hierarchies. In The Mystical Theology, Dionysius explores the nature of God and the way in which humans can approach and understand God through mystical experience. He discusses...