In this slim volume he provides valuable guidelines on the correct use and control of the power of thought and emotion and of our responsibility for their effect upon others for good or evil. To change the world for the better, the first step is to change ourselves. To do this requires us to know our weaknesses, our strengths. Then may we utilize the magnificent power within for the benefit of humanity. This book is an imprint of the Theosophical Publishing House, Adyar, and is imported from India.