Authors:

If you don't know yourself, if you don't control yourself, if you don't have mastery over yourself, it's very hard to like yourself, except in some short-term, psych-up, superficial way.

Stephen R. Covey (2016). “The 7 Habits of Highly Effective People: Powerful Lessons in Personal Change Interactive Edition”, p.228, Mango Media Inc.
If you don't know yourself, if you don't control yourself, if you don't have mastery over yourself, it's very hard to like yourself, except in some short-term, psych-up, superficial way.