This book is a collection of lectures delivered in Bangalore and Philadelphia by Swami Yatiswarananda, a disciple of Swami Brahmananda and the Vice-president of the Ramakrishna Order. The lectures were published in the magazines The Vedanta Kesari, Prabuddha Bharata , Vedanta and the West , and Vedanta for East and West .The lectures extensively deal with pursuing religious life, overcoming obstacles in religious life, achieving inner peace and harmony, and attaining religious experience. Spiritual seekers can derive the much-needed inspiration and succour from these invaluable lectures.