It is difficult for young people to learn and grow old, and an inch of time is not light. -Zhu

My life is limited, but so is my knowledge. -Zhuangzi

A lazy youth, a lousy age. -"Long Songs"

Time has three steps: the future comes late, the present flies like an arrow, and the past is always static. Schiller

Time is life, time is speed, and time is power. —— Guo Moruo

The most serious waste is the waste of time. -Buffon

This is the night when the lights are turned on at five o'clock. That is, when a person is studying, he doesn't know whether he is diligent or not, and his white hair regrets being late. -Yan Zhenqing

Only the human spirit can defy all restrictions, be willing to believe in its ultimate success, and shine its searchlight into the dark distance. Tagore

There are thousands of luxury houses in Ande, which makes all the poor people in the world very happy. -Du Fu

Do your best until you die. -Zhuge Liang