That which is past is gone, and irrevocable; and wise men have enough to do, with things present and to come; therefore they do but trifle with themselves, that labor in past matters.

过去的事已经过去，无法挽回；智者忙于当下与未来，已有足够的事要做。因此，纠缠往事的人，不过是在徒耗自己。