An amplification of Paramahansa Yogananda's 1920 maiden speech in America, given at the International Congress of Religious Liberals in Boston. With penetrating logic, Yogananda reveals the spiritual yearning that lies behind all human striving. Fulfillment of that ultimate longing for transcendence, he explains, is attainable through a science as universal and practical as the sciences on which we rely for material knowledge and attainments.