1 An inch of time costs an inch of gold, but an inch of gold can't buy an inch of time.

2, don't eat all day, never leave.

If young people don't work hard, old people will be sad.

4, black hair does not know how to study hard early, Bai Shoufang regrets studying late.

5. Flowers will reopen one day, and life is no longer a teenager.

6, the solar terms do not spare seedlings, and the years do not spare people.

7. There are no two mornings in a day, and the time has not arrived.

8, time flies, the sun and the moon fly like a shuttle.

9. The light at night is the five-watch chicken, which is when men study.

10, the prime of life is no longer coming, and time waits for no one.