you must correct your own fault when you know it.; always correct an error when one becomes aware of it; if a mistake is found, then correct it.; if you know your faults, you must reform yourself.; once he recognizes it to be his error, he will surely rectify it.; once he sees himself in the wrong, he will mend his ways
Example Sentences:
1.
Correct your mistake the moment you realize it and do n't try to gloss over your mistake . 要知过必改，不要文过饰非。
