The Prophet ﷺ was neither one who insulted, nor one who used foul language, nor one who cursed. When rebuking one of us, he would simply say, "What is wrong with him? May his forehead be touched with dust."
لم يكن النبي ﷺ سبابا ولا فحاشا ولا لعانا، كان يقول لأحدنا عند المعتبة: ما له ترب جبينه.