Raja-Yoga And Patanjali's Yoga Aphorisms

Swami Vivekananda (12 January 1863–4 July 1902), born Narendra Nath Datta was an Indian Hindu monk. He was a key figure in the introduction of Indian philosophies of Vedanta and Yoga to the western world and was credited with raising interfaith awareness, bringingHinduism to the status of a major world religion in the late 19th century.Excerpt-The science of Raja-Yoga, in the first place, proposes to give us such a means of observing the internal states. The instrument is the mind itself. The power of attention, when properly guided, and directed towards the internal world, will analyse the mind, and illumine facts for us. The powers of the mind are like rays of light dissipated; when they are concentrated, they illumine. This is our only means of knowledge.