Turn on the light at five o'clock in the middle of the night. It is when a person is studying, he doesn't know whether he is diligent or not, and his white hair regrets it too late. -Yan Zhenqing

◎ An inch of time and an inch of gold can't buy an inch of time.

◎ It's easier for young people to get old than to learn, and an inch of time is an inch of light. -Zhu

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

If you don't work hard, you will be sad. -"Long Songs"

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

◎ Who is the meanest about time, the more generous time is to him. If you want time to live up to you, first of all, you should live up to time. He who gives up time, time also gives up on him.

There is a problem in life, and that is how to make one inch of time equal to one inch of life.

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

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

Time, every day is 24 hours, but a day's time brings wisdom and strength to diligent people, leaving only regrets to lazy people. -Lu Xun

◎ The fastest, slowest, longest, shortest, commonest, most precious, most easily overlooked and most regrettable thing in the world is time. Gorky