Quran 2:80 from Surah Al-Baqara on Divine Marvels.
وَقَالُواْ لَن تَمَسَّنَا ٱلنَّارُ إِلَّآ أَيَّامٗا مَّعۡدُودَةٗۚ قُلۡ أَتَّخَذۡتُمۡ عِندَ ٱللَّهِ عَهۡدٗا فَلَن يُخۡلِفَ ٱللَّهُ عَهۡدَهُۥٓۖ أَمۡ تَقُولُونَ عَلَى ٱللَّهِ مَا لَا تَعۡلَمُونَ
English translation: And they say Never will touch us the Fire except (for) days numbered Say Have you taken from Allah a covenant so never will break Allah His Covenant Or (do) you say against Allah what not you know
Transliteration: waqalu lan tamassana al-naru illa ayyaman ma'dudatan qul attakhadhtum inda al-lahi ahdan falan yukh'lifa al-lahu ahdahu am taquluna ala al-lahi ma la ta'lamuna