从来到世间的那一刻起,我们就肩负了无可懈怠的责任,孝是对父母的责任,忠是对国家的责任,恪尽职守是对工作的责任,而勤学知识则是对青春的责任……有句古话说得好:少壮不努力,老大徒伤悲。如果我们年少时不刻苦学习,老来也只能暗地里哭泣了。可是哭就能挽回一切吗?不能!有这么一个故事:从前有一个优秀的孩子,一天,他看到校门口有一群人在打弹珠,便好奇地混了进去。多年后,一位慈祥的老人走在大街上,突然遇到一个悲伤的流浪汉,老人问他为什么这么伤心,他只后悔 From the very moment when it came to earth, we shoulder the responsibility of being free from slackness, filial piety is the responsibility to our parents, loyalty is the responsibility to our country, and our due diligence is the responsibility to work, and diligence and knowledge are the responsibility to youth ...... There is an old saying goes: young and hard work, the elders sad. If we were young and did not study hard, we could only cry secretly. But cry can save everything? No! There is such a story: there used to be a good child, one day, he saw a group of people playing in the school gate, it curiously mixed in. Years later, a kind-hearted old man walking in the street, suddenly encountered a sad tramp, the elderly asked him why he was so sad, he only regretted