人们常用这些话来形容时间的飞速流逝:日升月落,星移斗转;春夏秋冬,四季更替;生老病死,子孙繁衍……八百多年前,南宋一位思想家、理学家朱熹作诗提醒大家说:少年易老难学成,一寸光阴不可轻。未觉池塘春草梦,阶前梧叶已秋声。七十多年前,著名散文家、诗人、学者朱自清,在他的散文《匆匆》中,发人深省地说: People often use these words to describe the rapid passage of time: the rise and fall, the transfer of stars; spring summer autumn and winter, four seasons change; old and sick, children and grandchildren ... ... 800 years ago, a Southern Song Dynasty thinker and philosopher Zhu Xi poem Remind everyone that young people are hard to learn, and that an inch of time can not be light. Did not feel pond spring grass, step before Wu Ye autumn sound. More than 70 years ago, famous essayist, poet and scholar Zhu Ziqing, in his essay “Hurriedly,” said thought-provokingly: