Learn from people and learn from history. The word "jian" refers to: a copper basin filled with water.
Jian, water container. Popular in the Spring and Autumn Period and the Warring States Period. At first, the mirrors were made of pottery, that is, pottery basins. Bronze mirrors appeared in the mid-Spring and Autumn Period. They were most popular in the late Spring and Autumn Period and the Warring States Period. They were still cast in the Western Han Dynasty. Mirrors have three uses, one of which is to hold water as a mirror. The so-called "taking people as a mirror" and "taking history as a mirror" are extensions of its functional role.
Source? "Book·Jiu Gao": "The ancients said: 'People are not in water prisons, they should be in people's prisons.'" Yu, with; prison, Tong "jian", mirror. "Guoyu·Wu Yu": "Wang Qiyun also looked at people, but not at water." Wei Zhao annotated and quoted "Shu" as saying: "People don't look at water, but should look at people.". Refers to using other people's successes and failures as a reference for one's own.
Learn from others in a sentence:
1. In the process of making friends, you should learn from others and examine yourself.
2. Learning from others and understanding the extraordinary is a wonderful way to enable people to reflect.
3. Use copper as a guide to correct your clothes; use people as a guide to know gains and losses; use history as a guide to know the ups and downs.
4. Use things to judge your mind, and people to judge your words and deeds. Put aside selfish desires and live a happy life, be honest and upright.
5. He always takes others into consideration when doing things, so he rarely makes mistakes.
6. When dealing with others, you must learn to learn from others in order to reduce mistakes.
7. Learning from others can help us avoid detours in various tasks, learn from others’ successful experiences and methods, and learn from and avoid the lessons of others’ failures.
8. We should learn from others to increase our knowledge and make fewer mistakes.
Reference for the above content: Baidu Chinese-Learning from People