وَٱلۡخَٰمِسَةُ أَنَّ لَعۡنَتَ ٱللَّهِ عَلَيۡهِ إِن كَانَ مِنَ ٱلۡكَٰذِبِينَ

and a fifth [oath] that Allah’s wrath shall be upon him if he were lying.