The past is never dead. It's not even past.
过去从未死去,甚至从未过去。
There was another life that I might have had, but I am having this one.
正派人的话,明明知道了为了我好,内心感激却未必高兴;奸邪人的话,明明知道是在奉承我,但听着十分顺耳,所以未必生气。由此可知听取忠言是多么艰难。