This book is based on the notes of weekly lectures given by Swami Yatiswarananda at Ramakrishna Math, Bangalore. The Swami, a Vice-President of the Ramakrishna Order, was an illustrious disciple of Swami Brahmananda. He was a well-known spiritual figure in the Neo-Vedanta movement and did 17 years of pioneering work (1933-1950) in spreading Vedanta in Europe and USA.
Be not afraid, for all great power throughout the history of humanity has been with the people. From out of their ranks have come all the greatest geniuses of the world, and history can only repeat itself. Be not afraid of anything. You will do marvelous work.