"Time is the material that constitutes a person's life." Everyone's life is limited. Similarly, the time for a lively event is limited and fleeting.

However, time is precious. Although it limits people's lives, people can make full use of it in their limited lives. Mr. Lu Xun said that time is 24 hours a day, but one day brings wisdom and strength to hardworking people, leaving only regrets to lazy people. I think this sentence vividly describes that successful people cherish every minute and achieve brilliant results, while unsuccessful people just muddle along and kill time because of the idea of "being a monk for a day". In their eyes, time is long and meaningless, but when they look back, they find that time is like running water, gone forever, and they find that time is precious. It can be said that "young people don't work hard, but the boss is sad."

Throughout the ages, many people regret that time flies, so they sigh: "Time flies and makes people old, and the sun and the moon fly like teenagers." Indeed, the speed of time is really difficult to estimate and describe. The tree is dead, and there is still a chance to be green again; Flowers fade and bloom; Swallows have gone and come back; However, if a person's life is over and his limited time is used up, there is no chance of resurrection and salvation. Just as "flowers bloom again, people are no longer young." Time is like this step by step, never to return. And this is telling us not to throw away precious light and shade, to cherish time, to cherish life, to make good use of every minute and not to waste it. As Zhu Ziqing said: When washing hands, the days pass from the basin; When eating, the days pass from the rice bowl; When I am silent, I look through my eyes. I feel that time has passed in a hurry. When I reached out and took my hand, it passed by my hand. It was dark and I was lying in bed. It passed by me and flew away from my feet. When I opened my eyes to say goodbye to the sun, another day slipped away quietly. I hid my face and sighed, but the shadow of a new day began to flash in my sigh. This sentence says that time is passing all the time, so we should make good use of the passing moment.

"future", "present" and "past" are the steps of time: "future" approaches hesitantly; "Now" disappeared like an arrow; The past will stop forever. In the great universe, life just flashes like a meteor; In an infinite river, life is just a small wave. Cherish time, it is the most precious thing in life.