The "Pseudo-Dionysian Works" refer to a collection of early Christian texts attributed to Dionysius the Areopagite, a figure mentioned in the New Testament. These writings, composed in the late 5th to early 6th century, explore themes of mysticism, theology, and the nature of God. They are significant for their influence on Christian mysticism and medieval philosophy. The most notable works include "The Divine Names" and "The Mystical Theology." These texts emphasize the importance of negative theology, which suggests that God is beyond human comprehension and cannot be adequately described. The Pseudo-Dionysian Works have shaped the thought of many theologians, including Thomas Aquinas and Meister Eckhart.