Here are my Top 3 ANCIENT WISDOM Books of All Time:

#1: The Nicomachean Ethics by Aristotle
#2: Discourses and Selected Writings by Epictetus
#3: The Bhagavad Gita by Eknath Easwaran

More on why + a Big-Idea from each of those books in this video: https://youtu.be/eHMnL7MCMrs