前事不忘

Lessons learned from the past can guide one in the future.

前事不忘，后事之师。

Remember the history, so we can create the future;

前事不忘，后事之师。牢记历史，是为了开创未来；

"We shall develop long-term, stable friendly relations with Japan while keeping in mind that past experience, if not forgotten, can serve as a guide for the future"

我们本着“前事不忘，后事之师”的精神，发展同日本长期稳定的友好关系

PAST EXPERIENCE, IF NOT FORGOTTEN, IS A GUIDE FOR THE FUTURE& Must Face up to the Adverse Effect of Yangtze Three Gorges Project on the Environment

前事不忘后事之师&要正视长江三峡工程对当地环境的有害影响

Build me a son whose heart will be clear, whose goal will be high; a son who will master himself before he seeks to master other men; one who will reach into the future, and never forget the past.

恳请为我培养一个心地清明、目标高远的儿子，使他成为一个能责人之心责己的人，一个前事不忘后事之师的人。

Lessons learned from the past can guide one in the future. We must keep firmly in mind these costly lessons.

前事不忘，后世之师，我们一定要牢记这次血的教训。