One of the most important lessons in life is that it's not all about me. Many people either don't know this lesson or can't remember it.
Einstein advocated science as an antidote to egocentrism: "Measured objectively, what Man can wrest from Truth through heated striving is utterly infinitesimal. But the striving frees us from the fetters of the Self, and makes us the comrades of those who are greatest and best."