Why do I live as a small human being in this huge universe?' The answer to this question is simple and clear. 'It is to feel genuine happiness.' Then, another question arises. 'How and what makes one happy?' And this question cannot be answered right away. Feeling genuine happiness is something that can’t be achieved easily in this world, where many complicated circumstances are intertwined. In order to feel genuine happiness, one must understand oneself, know about the world and see through the universe. You are the one who feels happiness, you can’t be happy simply by yourself, and happiness is the universe’s response to your choices. This book contains the principles by which the universe responds to your choices. It contains the very specific details. This book elucidates the five constitutions of your mind to help you understand yourself, and it explains the nine essences of how you communicate with the universe to help you understand your fate. Based on such understanding, it guides you to the path to happiness. We ought to be happy, because happiness is the fate, as well as an obligation, that we little human beings, living in this huge universe, have.