Poems about cherishing life now, with author and source, thank you

It is easy for a young man to learn but hard to become an old man. One inch of time cannot be taken lightly.---Zhu Xi

My life also has a limit, but my knowledge also has no limit.---Zhuangzi If a young man does not work hard, an old man will be a fool. Sadness. - "Long Song Xing"

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

Whoever is the stingiest with time will be more generous with time. If you want time to live up to you, you must first live up to time. Those who give up time, time will give up on him.

There is a difficult problem in life. 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. ---Bufeng