It can be seen that of the three provinces in Ceng Zi, the first is to do things for others. Have you tried your best? This is also a good example that we used to promote loyalty in ancient times, but for modern people, only dedication can play its due value, so this sentence is still very practical at present and is often mentioned in the cultural training of our company. "If you enter, you will be sincere and loyal, and if you leave, you will regret it."