He said that God's messenger was not unseemly in his language, or given to cursing or reviling. All he said when reproaching someone was, "What is the matter with him? May his forehead cleave to the dust!" Bukhari transmitted it.
Hadith Referenceمشكوة المصابيح / كتاب الفضائل والشمائل / 5811
Hadith Gradingالألبانی:صَحِيح | زبیر علی زئی:صحيح
Hadith Takhrij´تحقيق و تخريج: محدث العصر حافظ زبير على زئي رحمه الله` «رواه البخاري (6031)»