The full sentence "Must sharpen his tools" is: If a worker wants to do his job well, he must first sharpen his tools.

If a craftsman wants to do his job well, he must first sharpen his tools. This means: If a craftsman wants to do his job well, he must first make his tools sharp. It means that to do something well, it is very important to prepare tools. The words come from "The Analects of Confucius·Wei Linggong": Zigong asked for benevolence. Confucius said: "If a worker wants to do his job well, he must first sharpen his tools. If you live in this country, serve the wise men of its officials, and make friends with the benevolent scholars."

"If a worker wants to do his job well, he must first sharpen his tools." "First sharpen your tools." These are also two famous sayings that we often quote from the book "The Analects of Confucius" and what Confucius said. Confucius told Zigong that if a person who does manual work or crafts wants to complete the work and do it perfectly, he should prepare the tools first.

So what tools do you use to be benevolent? If you live in this country and want to contribute to this country, you must make friends with the upper class, even the big figures in the political arena, the backbone of the government; and the people in this country’s society. All kinds of wise people should make friends. In other words, you must first understand the inside story of this country and have a good relationship, and then you can get the opportunity to contribute and accomplish the goal of benevolence.

"If a worker wants to do his job well, he must first sharpen his tools." These are also two famous sayings that we often quote from the Analects of Confucius. Confucius told Zigong that if a person who does manual work or crafts wants to complete the work and do it perfectly, he should prepare the tools first. As the idiom goes: "Whether you sharpen a knife or chop wood," if you want to accomplish something, you must plan and arrange it in advance, so that you can get things done steadily.