Barkman, Adam. “The Allegory of the Cave,” “The Consolation of Philosophy,” “Aristotle’s Four Causes,” “Ethical Relativism,” “The Passover,” “Satanism,” “Zoroastrianism,” “Maat,” “Ghosts,” “Anthropomorphism,” “Ancient Ale-Making,” “Miracles,” “Flood Myths,” “Mediums,” “The Twelve Olympian Gods,” “The Hero,” “Flat World,” “The Five Pillars of Islam,” “Jesus and Altruism,” “Scapegoat,” “The Code of Hammurabi,” “The Devil,” “Adam and Eve,” “Angels,” “The Ten Commandments,” “Monotheism,” “Messiah,” “Robin Hood,” “The Holy Grail,” “Voodoo,” “Shamanism,” “Modern Christian Apologetics,” “Nietzsche and the Death of God,” “Heaven and Hell,” “The Soul,” “The Holy Trinity,” “The Three Theological Virtues,” and “Substance Dualism.” In 1001 Ideas That Changed the Way We Think, edited by Robert Arp. Simon & Schuster, 2013.