前事不忘，后事之师。【英】

"History; if not forgotten; can serve as a guide for the future."

译文来源

http://www.fmprc.gov.cn/mfa_eng/wjdt_665385/zyjh_665391/t1148649.shtml

例句

1. 中国人说，前事不忘，后事之师。——《习近平在德国科尔伯基金会的演讲》

1. And we Chinese often say, "History, if not forgotten, can serve as a guide for the future."—Quoted from Speech by H.E. Xi Jinping President of the People's Republic of China At the Körber Foundation