Historians advise that we should never forget the past.

历史学家们告诫我们，我们不应忘记过去。

youdao

The old generation can never forget the past suffering.

老一代人永远也不会忘记过去的苦难。

youdao

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 yet never forget the past.

求你塑造我的儿子，心地纯洁，目标远大；使他在指挥别人之前，先懂得驾驭自己；永不忘记过去的教训，又能伸展入未来的理想。

youdao

Never forget, in the past, the Labour Party wasn't seen as relevant to the concerns of the public.

BBC: Hazel Blears

Oklahomans have never been the kind to dwell on the past, but we won't forget the 168 people who died in the blast on April 19 and those who bravely survived.

CNN: A flashback to Oklahoma City bombing

History will not forget what he has done in these past months, and certainly the Syrian people will never forget it.

WHITEHOUSE: Press Briefing