What Is Metaphysics? offers an exposition, informed primarily by the Islamic metaphysical tradition, of principial and divine knowledge as distinct from information or merely factual knowledge. Advancing an argument in favor of integrating metaphysics at every level of one's being, the book also delves into various applications of metaphysics pertaining to the domains of religion, education, philosophy, art, ecology, and science.Currently University Professor of Islamic Studies at The George Washington University, Seyyed Hossein Nasr is one of our time's most significant philosophers and scholars of religion. His illustrious career has been marked by the global influence of his writings across diverse fields, from Islamic philosophy, spirituality, science, and art to environmental studies and comparative religion. Among Professor Nasr's many accolades is his inclusion in the prestigious Library of Living Philosophers under the title, The Philosophy of Seyyed Hossein Nasr (2001).