Share this episode: https://www.samharris.org/podcasts/making-sense-episodes/the-best-kept-secret-in-history Sam Harris speaks with Brian Muraresku about ancient mystery religions and the possible psychedelic roots of Christianity. They discuss the Mysteries of Eleusis, the “pagan continuity hypothesis,” the cult of Dionysius, the Dead Sea scrolls and the Gnostic Gospels, Christianity as a cult of human sacrifice, the evidence for the use of psychedelics in ancient rites, the chemical analysis of ancient wine and beer, why Brian hasn’t tried psychedelics, the need for a modern Mysteries of Eleusis, and other topics. Brian Muraresku graduated Phi Beta Kappa from Brown University with a degree in Latin, Greek and Sanskrit. As an alumnus of Georgetown Law and a member of the Bars of both New York and Washington D.C., he has been practicing law internationally for over fifteen years. He lives outside Washington D.C. with his wife and two daughters. The Immortality Key is Muraresku's debut book. Website: https://www.brianmuraresku.com/ Twitter: @BrianMuraresku Learning how to train your mind is the single greatest investment you can make in life. That’s why Sam Harris created the Waking Up app. From rational mindfulness practice to lessons on some of life’s most important topics, join Sam as he demystifies the practice of meditation and explores the theory behind it.