كتاب الأدب
Read the English translation first, with the original Arabic directly underneath.
Narrated Samurah ibn Jundub:
The Prophet (ﷺ) said: Do not invoke Allah's curse, Allah's anger, or Hell.
لاَ تَلاَعَنُوا بِلَعْنَةِ اللَّهِ وَلاَ بِغَضَبِ اللَّهِ وَلاَ بِالنَّارِ