Correct a wise man, and he will be grateful; correct a fool, and he will not only give a deaf ear, but send you off with a flea in your ear.
纠正一个聪明人，他会感激你;纠正一个傻瓜，他不仅会充耳不闻，还会把你臭骂一顿。
纠正一个聪明人，他会感激你;纠正一个傻瓜，他不仅会充耳不闻，还会把你臭骂一顿。