1. People must have self-knowledge. If this does not help to discover the truth, it is at least a rule of life, and nothing is more important than it. -Pascal

2. I strictly abide by a beautiful rule in my daily life: self-knowledge is the most important thing. I always use this to push myself. -angel

3. People with self-knowledge often turn the mirror in their hearts to look at themselves. -plug? Butler

4. If a man doesn't know himself, how can he know his function and strength? Maybe we don't have some real understanding of ourselves, but these understandings are accidental. Montaigne

5. The most important thing in this world, no matter from any angle, is to know yourself thoroughly. -Montaigne

6. Why are there mirrors in the world, but enough people don't know what they look like? Schopenhauer

7. Even if we sit on the highest throne in the world, we are just ourselves. -Montaigne

8. People who regard themselves as treasures and others as dirt and have no self-knowledge are the worst specimens of human beings. -Saneatsu Mushakoji

9. Know your own discontent, the threshold to the temple of wisdom. -check? Spurgeon

1. It is not difficult to detect other people's false aspirations, but it is difficult to detect your own false aspirations, which requires a lot of sanity. -Goethe

11. One should know oneself, and knowing oneself is also the most difficult subject in the world. -Cervantes

12. If you want to know yourself, observe how others act; If you want to know others, please look into your own mind. -Schiller

13. The real greatness of a person lies in his ability to realize his own smallness. -Paul

14. When looking in the mirror, a person will never look at himself with the eyes of a stranger. His self-consciousness will constantly remind himself in a low voice: "What I see is not another self but my self." -Schopenhauer

15. The biggest flatterer is one's ego. Compared with it, other flatterers are very rational. -Bacon

16. People would rather hide their weaknesses and imperfections than let people know about their antics. -chesterfield

17. All people love themselves. -Plautus