1. If a young man does not work hard, the old man will be sad. Meaning: As the saying goes, if you don’t work hard when you are young and strong, when you are old, there will be no use in being sad.

2. Diligence leads to excellence in work, while playfulness leads to waste. Meaning: Academics are specialized due to hard work, and are wasted due to fun.

3. An inch of time is worth an inch of gold, but an inch of gold cannot buy an inch of time. Meaning: An inch of time is as expensive as an inch of gold, but an inch of gold cannot buy an inch of time. Time is very precious.

4. Heaven is moving vigorously, and a gentleman strives to constantly strive for self-improvement. Meaning: The movement of heaven (that is, nature) is strong and strong. Correspondingly, a gentleman should behave like heaven and strive for progress.

5. Those who are not strong in ambition are not wise enough. Meaning: People whose ambitions are not firm will not be able to fully develop their wisdom.