"Sincerity" is the central idea of ??Confucianism as a human being. Integrity should be the basis of one's conduct in life.

Zhu Xi, an acting scholar of the Song Dynasty, believed that sincerity means truth without falsehood. "Sincerity" is a virtue. "Trust" means keeping your promises, being consistent in your words and deeds, and being honest. "Shuowen Jiezi" believes that "people's words are trustworthy", and Cheng Yi believes: "Truthfulness is called trustworthiness." It can be seen that "trustworthiness" not only requires people to be honest and reliable in their speech, and avoid big words, empty words, and lies, but also requires people to be honest and reliable in their actions. Be honest and reliable.

1. The smartest people in the world are the most honest people, because only honest people can withstand the test of facts and history.

2. Keeping your promises is like defending your reputation.

3. Those who are trustworthy are the happiest, and those who are honest are the most innocent