1, an inch of time is worth an inch of gold, but an inch of gold is hard to buy.

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.

1 1, the sage does not value the wall of the ruler, but emphasizes the yin of the inch. Huainan Zi Yuan Daoxun

12, old Ran Ran came, and he was afraid that his name could not be established. Chu Quyuan in the Warring States Period

13, the east corner is gone, and the mulberry is not too late. Don

14, windy during the day, the scenery flows west. Three Kingdoms Cao Weizhi

15, lost in the east corner, harvesting mulberries. Biography of Feng Yi in the Later Han Dynasty

16, people with lofty ideals cherish the short days, but those who worry know the long nights. Jinfuxuan