Sukah 52a-Respect the Yeitzer Harah –כל הגדול מחבירו יצרו גדול הימנו

Ego and its associated insecurities are the driving force of both good and bad. In this episode we learn how the force for evil in people is an important challenge to be mastered. It is a quintessentially human dimension, crucial for achieving greatness. Source 1 Source 2