This present book presents Swami Sivananda's teachings and philosophy of life as compiled by various distinguished authors closely associated with him. It contains the illuminating and inspiring quintessence of spiitual wisdom, principles and practices governing the noble conduct of life and lively biographical sketch of Swami Sivananda. ... Its sole purpose it to disseminate spirtiual knowledge, as the noblest for of service to humainity. It will prove a guiding light to all those aspirants who seek a well-regulated and well-disciplined life combined with serenity and spiritual perfection.