The core questions of philosophy about the origin of the world and people, the distinction between good and evil, and the meaning of life these questions keep us all busy. In this introduction to philosophy, these three questions lead our journey. You want to understand the world and man. Then you try to acquire an outlook on the proper course of action. Perhaps you especially hope to gain insight into the meaning of your own life. And our society, as well, repeatedly collides with questions of its economic, social, and ecological limits. Again and again, philosophy is the necessary condition...