Surat Fuşşilat - سورة فصلت

وَلَقَدْ آتَيْنَا مُوسَى الْكِتَابَ فَاخْتُلِفَ فِيهِ ۗ وَلَوْلَا كَلِمَةٌ سَبَقَتْ مِن رَّبِّكَ لَقُضِيَ بَيْنَهُمْ ۚ وَإِنَّهُمْ لَفِي شَكٍّ مِّنْهُ مُرِيبٍ

Muhsin Khan: And indeed We gave Musa (Moses) the Scripture, but dispute arose therein. And had it not been for a Word that went forth before from your Lord, (the torment would have overtaken them) and the matter would have been settled between them. But truly, they are in grave doubt thereto (i.e. about the Quran). [Tafsir Al-Qurtubi, Vol. 15, Page 370]