One of the most interesting aspects of yoga for understanding your own mind are the three levels of consciousness. Patanjali Maharishi has defined the various levels of consciousness in a masterly way in the aphorisms of the Raja Yoga Sutras. Swami Vishnu-devananda was himself a great raja yogi, who reached a deep knowledge of the mental techniques of Patanjali through the practice of asanas and pranayama. During the beautiful summers at the Sivananda Ashram in Canada he studied the teachings of Patanjali on the various levels of consciousness with us. Many times Swami Vishnudevananda reminded us that the subconscious mind is not equal to intuition. Very often something which is considered to be intuition is actually a reflection of the subconscious mind.
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