1. A promise made lightly will inevitably lack credibility: a promise made easily will inevitably lack credibility.

From Chapter 63 of "Laozi" by Laozi in Spring and Autumn Period.

2. Breaking promises: People who do not keep their promises cannot gain a foothold in society.

From "Zuo Zhuan. The 22nd Year of Duke Xiang" by Zuo Qiuming in the Spring and Autumn Period.

3. Small trust will lead to big trust: Only when small trust is established can big trust be established.

From the extended information of Han Fei's "Han Feizi·Wai Chu Shuo, Part 1" at the end of the Warring States Period

"Sincerity" is the central idea of ??Confucianism as a human being. Book. Zhu Xi, an acting scholar of the Song Dynasty, believed that sincerity means truth without falsehood. "Sincerity" is a virtue. "Famous Quotes": "Sincerity is the way of heaven, and heaven rewards sincerity." Words and deeds must be guided by heavenly principles, speak the truth, do practical things, and oppose hypocrisy. It means honesty.

In a general sense, "sincerity" means honesty and sincerity, which mainly refers to the inner moral quality of the subject's sincerity; "faith" means credit and trust, which mainly refers to the externalization of the subject's inner sincerity. "Sincerity" refers more to "internal sincerity in the heart", while "faith" focuses on "external trust in others".

The combination of "sincerity" and "trust" forms a word that is both internal and external and has rich connotations. Its basic meaning is to be honest and trustworthy. For thousands of years, integrity has been regarded by the Chinese nation as its own code of conduct and moral cultivation. Based on the basic meaning of the word, a unique and rich concept of integrity has been formed. Faith means to believe.