I think today is the most precious thing in the world, and it is also the easiest to lose. Because it is the easiest to lose, it is more precious. -Li Dazhao
It must be remembered that our study time is limited. Time is limited, not only because life is short, but also because of the complexity of personnel. We should try to spend all our time doing the most beneficial things. Spencer
The more a person knows the value of time, the more he feels the pain of losing time! -Dante
It passed like this, day and night! -Confucius
Life between heaven and earth, if fleeting, is only sudden. -Zhuangzi
The sky can be mended, the sea can be filled, and Nanshan can be moved. The sun and the moon have passed, so you can't chase them. -Zeng Guofan
Do you love life? Then don't waste time, because time is the substance of life. Franklin
A waste of time is a waste of life. Kawabata
Time abandoned him who abandoned time. -Shakespeare