《战国策》有言:前事不忘,后事之师。说的是张孟谈帮赵襄子打败了智伯后,毅然决定离开,因为他记得前事,没有君臣权利相同而友好相处的故事。他也以此作为今后行事的借鉴,最终平安地度过了一生。以史为鉴,可以知兴替。我们之所以不可以忘记历史,是因为历史能成为今日的借鉴。不忘前事,能避灾祸,更能成就一个国家。一次,唐太宗对眼前用来饮茶的旧银器 “Warring States policy,” there is something: Former forgotten, funeral division. Saying that after Zhang Meng talked about helping Zhaoxiang defeat Zhibo, Zhang decided to leave because he remembered that there was no story of the same rights of the monarchs and the friendly coexistence of the former. He also used this as a reference for future actions and finally spent his life safely. Learn from the history, we can know the rise and fall. The reason why we can not forget history is that history can become a reference for today. Do not forget the past, can avoid disaster, more achievements in a country. Once, Emperor Taizong used the old silverware for tea