If students can understand the way the mind and the senses really work, what the results of this working are, and what direction they point to . . . if they can break through that barrier between flesh and thought which favours materialism and agnosticism and even atheism, then the perception actually becomes a spiritual experience. It is the key opening the way to mentalism's discovery and acceptance.
-- Notebooks Category 21: Mentalism > Chapter 5: The Key To the Spiritual World > # 85