It's never too late to mend.

亡羊补牢，未为晚也。

youdao

It's never too late to mend.

改过迁善从不嫌晚。亡羊补牢，未为晚也。

youdao

It's never too late to mend.

朝闻道，夕死可矣。（比“改过从不说太晚”好些）

youdao