了解他人是智慧，了解自己则是觉悟。

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Courage is the mean between confidence and fear. — Aristotle

Have confidence and then give it your all—if you hold this view, most things will succeed. — Wilson

Confidence in social situations is more important than wit. — La Rochefoucauld

He who knows others is wise; he who knows himself is enlightened. — Laozi

Faith is the conscience of the soul. — Han Ward

Many people do things they regret not out of malice, but due to their own weakness. — La Rochefoucauld

Peer into the heart of yourself, and you will find all miracles within. — Bacon

Difficulty does not arise because of a lack of confidence, but a lack of confidence arises because of difficulty. — Seneca

Unless a man has confidence in himself, he cannot give confidence to others; only those who are convinced themselves can convince others. — Matthew Arnold

Ancient achievers did not rely solely on extraordinary talent, but also on unyielding determination. — Su Shi

You cannot control faith, but without it, you can accomplish nothing. — Samuel Butler

To let go of faith is akin to death. — French-Chinese

Whether a person achieves something depends solely on whether they possess self-esteem and self-confidence. — Socrates

Middle age is an extension of youth and also a farewell to it. This farewell is not just a change of ideas, but the confidence of a mature, independent person to handle various problems at will. — Yu Qiuyu

You cannot rely on many; to survive, you must rely on yourself. — Napoleon