وَلَقَد آتَينا موسَى الكِتابَ فَاختُلِفَ فيهِ ۗ وَلَولا كَلِمَةٌ سَبَقَت مِن رَبِّكَ لَقُضِيَ بَينَهُم ۚ وَإِنَّهُم لَفي شَكٍّ مِنهُ مُريبٍ

We gave Moses the Scripture, but disputes arose regarding it. If it wasn’t for a predetermined decision from your Lord, they would’ve been judged immediately. Yet they are in perplexing doubt about it.