The Summit Lighthouse is a spiritual organization founded in 1958 by Mark L. Prophet and Elizabeth Clare Prophet. It focuses on the teachings of Ascended Masters, who are believed to be enlightened beings that guide humanity's spiritual evolution. The organization promotes personal growth through meditation, study, and community activities. The Summit Lighthouse offers various resources, including books, classes, and online materials, to help individuals connect with their spiritual path. It emphasizes the importance of spiritual protection, service to others, and the use of affirmations to manifest positive change in one's life.