各位同学:如果你看不到春天的痕迹,但那盛开的鲜花会告诉你,它来过;如果你看不到海潮的痕迹,但那匍匐的贝壳会告诉你,它来过;如果你看不到岁月的痕迹,但那渐老的红颜会告诉你,它来过;如果你看不到那些伟人的痕迹,但那些熠熠生辉的精神会告诉你,他们来过!浩瀚宇宙,无边无际,无休无止;人生在世,悠悠数十载,油尽灯枯会有时,这是古往今来亘古不变的规律。历史的烟 Dear Students, If you can not see the traces of the spring, the blossoming flowers will tell you that it has been there. If you can not see the traces of the tide, the creeping shell will tell you that it has come; if you look Not the traces of time, but the old roots will tell you that it has been; If you can not see the traces of those great men, but those glittering spirits will tell you that they have come! The vast universe, boundless , Never ending; life is alive, dozens of years, the lamp does make the light sometimes, this is the eternal law everlasting. History of the smoke