2, meaning: associate with friends, speak honestly, and abide by credit. Such a person, although he says he hasn't studied, I must say he has.

3. Source: The Analects of Confucius during the Warring States Period.

4. Analysis:

Xia Zi believes that whether a person has knowledge mainly depends on his cultural knowledge, but on whether he can abide by traditional morals such as "filial piety, loyalty and faithfulness". Not only in summer, but also through the Analects of Confucius, we will find that both Confucius and his disciples regard "faith" as an important key point in building the world, and emphasize that faith and mutual trust are the "bottom line requirements" for interpersonal communication.

Extended data:

Practical significance:

Trust is the foundation of interpersonal relationship and the premise of state-to-state communication. Credit is a national treasure. It is more difficult to build a reputation than to build a city, and it is more difficult to maintain it after it is established. CIGNA Pepsi may have just built a high wall of trust, but breaking its promise will subvert the foundation of trust.

From ancient times to the present, keeping promises and keeping promises are the moral principles that China people have always adhered to. Whether you treat friends or relatives, or even strangers who have only met once, you need to be honest with others.