It is when a man is studying, his black hair doesn't know how to study early, and his white hair regrets how to study late.

-Yan Zhenqing

Young people are easy to learn but difficult to grow old, and an inch of time cannot be wasted.

-Zhu Xi

My life is limited, and so is my knowledge.

-Zhuangzi's young people don't work hard, but the old ones are sad.

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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.

time gives up on those who give up time.

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

Every day, we get 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

Time is life, and wasting other people's time for no reason is actually tantamount to killing people for money.

-Lu Xun