It's just that when a man is studying, he doesn't know if he is diligent and early, but he regrets that he is late when he is white. -Yan Zhenqing

Young people learn easily and old people are hard to learn, and an inch of time cannot be wasted. -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

There is a difficulty in life, and that is how to make an inch of time an inch of life.

time is life, time is speed, and time is strength. -Guo Moruo

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

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

Don't be idle, turning your head white and feeling sad. -yue Fei

at the age of 18, he threw an arrow at the string. -Meng Xiao

If you don't come back in your prime, it's hard to wake up in the morning. Encourage yourself in time, and time waits for no one. -Tao Yuanming

A year's plan lies in spring, and a day's plan lies in the morning. -Xiao Yi

Pleasure will not hesitate to lose time. -British

Time creates more converts than reason. -Tom Paine