The book aims to present the wisdom of sages, great thinkers, renowned writers, and philosophers, of many countries and time periods, in their own words, regarding life. The book also aims to place the numerous quotations from these sources in a structured organization, with introductory and explanatory comments and comparisons.
Main Topics or Fields - See Organization or Principal Parts.

Contributions by: Giuseppe Grieco
Translated by: Nino Langiulli, Bruno Martini