Zhu Xi is Zhu Xi (1130.9.15-1200.4.23), with the courtesy name Yuanhui and also the courtesy name Zhonghui. His nickname is Hui'an. Later he was called Hui Weng. His posthumous title was Wen. He was called Zhu Wengong in the world. The famous quotes are listed below:

1. When reading, you will have doubts about the unknown at the beginning; secondly, you will gradually have doubts; in the middle, you will always have doubts. After this, doubts will gradually be cleared up, until you have a comprehensive understanding and no doubts at all, and that is when learning begins. ——Zhu Xi's "Zhu Xi Yu Lei"

Vernacular meaning: When I first started reading, I didn't think there would be any questions, but as I read, some questions gradually appeared. Halfway through, , every section will raise questions. As you read on, your questions will gradually be solved, and you will eventually reach a level of understanding. Only when all the problems encountered are solved in the end can it be called learning.

2. It is easy for a young person to learn from an old person, but it is difficult for him to succeed. No time is wasted. I haven't noticed the dream of spring grass in the pond, but the phoenix leaves in front of the steps have already sounded in autumn. ——Zhu Xi? "Poem to Encourage Learning"

Vernacular meaning: Time passes easily. If you don't cherish your youthful time, you will slowly grow old in a blink of an eye. If you don't think of studying until you are old, it will be too late. Don't underestimate even a little bit of time. Spring has just arrived, and you haven't noticed that the spring grass is green yet. Before you look at it, the sycamore leaves in front of the steps have turned yellow.

3. Sincerity is the foundation of self-cultivation, and understanding kindness is the foundation of sincerity. ——Zhu Xi's "Annotations to the Four Books"

Vernacular meaning: Taking sincerity as the criterion is the key to self-cultivation. Understanding what are good words and deeds is also the basis for adhering to sincerity.

4. Ask the canal where you can get such clear water, because there is a source of living water. ——Zhu Xi? "Reflections on Reading the Book"

Vernacular meaning: The reason why the water in the pond can be crystal clear is because there is an inexhaustible source that provides it with an endless supply of living water.

5. It is easy to recognize that the east wind is full of colors, and spring is always spring. ——Zhu Xi? "Spring Day"

Vernacular meaning: Anyone can see the appearance of spring. The spring breeze blows flowers into bloom and becomes a riot of purple and red. Spring scenery is everywhere.