There's an old saying about those who cannot remember the past being condemned to repeat it. But those of us who refuse to forget the past are condemned to relive it.
m.hnboxu.com
凡是忘记过去的人注定要重蹈覆辙。
The one who forgets the past is destined to make the same mistake.
dict.youdao.com
凡是忘记过去的人注定要重蹈覆辙。
Anyone who forgets the past is bounded to make the same mistake again.