Twenty-seven well-researched biographical sketches of Indian saints and mystics beginning with Nivritti, Jnanadeva, Sopana and Muktabai and ending with Mirabai.
The powers of the mind should be concentrated and the mind turned back upon itself; as the darkest places reveal their secrets before the penetrating rays of the sun, so will the concentrated mind penetrate its own innermost secrets.
-Swami Vivekananda