1. He who knows others is wise, and he who knows himself is wise. He who wins is strong, and he who wins is strong. -"Lao Zi"

2. Knowing your ignorance is the threshold to the temple of wisdom. -check Spurgeon

3. The more incompetent you are, the more pretentious you are. -Deng Tuo

4. People must have self-knowledge. If it doesn't help to discover the truth, it is at least a rule of life, and nothing is more important than it. Pascal

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

6. The most difficult thing in life is to know yourself. -telles

7. Humans are usually like dogs. When they hear dogs barking in the distance, they bark themselves. -Voltaire

8. The greatest flatterer is one's ego. Compared with it, other flatterers are very rational. -bacon

9. dissatisfaction with oneself is one of the fundamental characteristics of any truly talented person. Chekhov

1. Everyone thinks that his intelligence is perfect and his children are beautiful. -sadie

11. 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

12. Whenever possible, you should "imitate" yourself and become yourself. -(America) Morz

13. When a person looks in the mirror, he 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

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

15. Why do people not know what they look like even though there are mirrors in the world-Schopenhauer