This motto could be placed above the brilliant work of Annie Besant on the power of thought. Even today, humans utilize their mental potential to a much lesser extent than they could. In exceedingly enlightening clarity, the great spiritual teacher presents the hidden workings of the mind in her masterpiece. It becomes clear how thoughts influence daily life, personal consciousness, interpersonal relationships, and ultimately all of life. Those who can control their thoughts and use them wisely not only hold the key to their own happiness in their hands but also make a significant contribution to the elevation of all human life.