Surah Fussilat Verse 45 - English Translation by Ali Unal
Surah Fussilatوَلَقَدۡ ءَاتَيۡنَا مُوسَى ٱلۡكِتَٰبَ فَٱخۡتُلِفَ فِيهِۚ وَلَوۡلَا كَلِمَةٞ سَبَقَتۡ مِن رَّبِّكَ لَقُضِيَ بَيۡنَهُمۡۚ وَإِنَّهُمۡ لَفِي شَكّٖ مِّنۡهُ مُرِيبٖ
Assuredly We granted Moses the Book, and discordant views arose about it (just as your people, O Messenger, say different things concerning the Book We are revealing to you). Had it not been for a decree already issued by your Lord (postponing the final, decisive judgment until an appointed term), it would indeed have been judged between them. They are (nevertheless) in doubting uncertainty about it (about the Qur’an and their attitude to it)