1. In Mozi's view, understanding must have the same standard as * * *. Words must be understood, and words must be understood without instruments. For example, those who stand on the top of the army and come forward in the morning and evening can't tell right from wrong, so there must be three tables. Their specific contents are people with roots, people with roots, useful people and people with roots. Looking at the interests of the people of the country, the significance of these three standards lies in that the principle of experience is a test of knowledge and is based on experience, including historical experience and practical experience. The utilitarian principle is based on the great interests of the world and abides by its will.

2. Mozi, named Zhai, was born in Lu, a craftsman, and later became a doctor in the Song Dynasty. Xiang Chuang Mo Zhai received Confucian education in Kong Qiu in his early years. Later, because of his opposition to Confucian political ideas, he used Xia Zheng and founded Mohist School and Mo Zhai, who were knowledgeable and versatile. His members were called "Mohists", and Mohists and Confucianism were also called outstanding scholars at that time. After Mo Zhai died, his master chose a leader.