Here he focuses on the influential eighteenth century, Scottish philosopher, David Hume, his philosophy of naturalism, and his argument against religious miracles. He examines how that argument has been wrongly used by those hostile to parapsychology.

Throughout his life, Manuel had a number of experiences which could be considered anomalous or paranormal. It is his hope that by sharing his knowledge and experience in both psychiatry and the world unknown, he will provide a bridge between these two worlds and will give people permission to share their own experiences without shame [...]

Here he explains why 19th Century America was a fountain of innovative metaphysical traditions, many of lasting influence.

When the guru teaches, says Joseph Chilton Pearce, he does so not through the intellect but by opening the heart to spiritual experience. Pearce was a devotee of Siddha Yoga as taught by Swami Muktananda and his successor Gurumayi Chidvilasananda. He compares the guru-disciple relationship to the bonding relationship which occurs between parent and child.

The average human is functioning in an unawakened state, according to Russian philosopher and mystic George Ivanovich Gurdjieff. Psychologist Kathleen Speeth, Ph.D., author of The Gurdjieff Work and Gurdjieff: Seeker of the Truth, was raised by parents who were students of Gurdjieff, whom she met as a child. She discusses the history and present status of the Gurdjieff [...]