Philosophy counts more than twenty-five centuries of life full of adventures and spiritual experiences. The long and undoubtedly fascinating journey of philosophy is reflected in the multitude of concepts, theories, schools, and movements that are presented in this dictionary in a vivid, comprehensible, and eloquent manner.

This dictionary also presents the lives, actions, and works of the proponents and creators of the concepts, theories, schools, and movements that make up the content of philosophy, so that the reader not only learns what is called philosophy but also feels how, under what conditions, with what intentions, with what personal struggle, and with how much mental fortitude one of the most important fields of our culture was shaped.