Intheeveningonemaypraisetheday.入夜方能赞美白昼。......
Donotpraiseadaybeforesunset.切勿褒贬过早。......
Admonishyourfriendsinprivate,praisetheminpublic.在私底下要忠告你的朋友,在公开场合又表扬你的朋友。......