Swami Tattwamayananda’s exposition of Patanjali's Yoga Sutras was given at the Vedanta Society of Northern California, San Francisco (founded by Swami Vivekananda in 1900) from October 10, 2014 to December 21, 2018 in a series of 111 lectures. These lectures include a mixture of philosophy both Eastern and Western, history, psychology, comparative theology, mysticism, classical parables, and simple everyday examples. Patanjali was a great Indian sage who wrote major treatises on Ayurveda, Sanskrit grammar and Yoga. The Yoga Sutras of Patanjali contain 195 sutras organized into...