1. Don't be idle, it's white-headed and sad. 2. It is difficult for a teenager to learn and grow old, and an inch of time is not light. 3. Don't say that the inch is short, and it is hard to get it again. 4. Don't eat all day, don't give up your work. 5. It takes hard work to ride a horse in the future, and Mo Xuelong sighs in vain.

6. Don't say that if you don't study today, there will be a future, and don't say that if you don't study this year, there will be a next year. 7. An inch of time is worth an inch of gold, but an inch of gold cannot buy an inch of time. 8. One today is better than two tomorrows. 9. Nothing is more precious than today.