◎ The lights are on at five o'clock in the middle of the night. It is when a man is studying, he doesn't know that he is diligent in studying early, but his white hair regrets that he is late in studying. -Yan Zhenqing

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

An inch of time cannot be taken lightly. -Zhu Xi

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

◎ If a young man doesn't work hard, the old man will be sad. -

◎ There are three steps of time: the future comes late, the present flies like an arrow, and the past stands still forever. -Schiller

◎ Who is the most stingy with 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 difficult 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 for lazy people. -Lu Xun

◎ The world's fastest and slowest, longest and shortest, most ordinary and most precious, most easily overlooked and most regrettable is time. -Gorky