Literature Reference: The Master said, 'Is it not a pleasure to learn and to practice what is learned from time to time?' Source from 'The Analects of Confucius'.
子: Descendants, offspring. It also refers to the favored children of heaven, those who are learned and virtuous.
曰: It is said, it is called.
Meaning: The words of Confucius embody the transmission of wisdom and teachings.