All Life Is Yoga: The Soul and How to Find It

"The soul, the psychic being, is in direct touch with the divine Truth, but it is hidden in man by the mind, the vital being and the physical nature (manas, prana, anna of the Taittiriya Upanishad). One may practise Yoga and get illuminations in the mind and the reason; one may conquer power and luxuriate in all kinds of experiences in the vital; one may establish even surprising physical siddhis;...