The Principles of Wisdom—Happiness, Love, the Mind, Enlightenment, Progress, Wisdom, Utopia, Salvation, Self-Reflection, and Prayer—are ten principles that can serve as a compass for a spiritual life, enabling each person to bring happiness and spiritual growth to themselves and to all those around them. This is a compilation of the first lectures of Ryuho Okawa, spiritual leader and the founder of Kofuku-no-Kagaku, The Institute for Research in Human Happiness, which has grown to be one of the most influential spiritual movements in Japan in the last twenty years. His passionate words and lofty ideals will touch the depths of your heart.