Qur'an 6:156 · Al-An'aam

أَن تَقُولُوٓا۟ إِنَّمَآ أُنزِلَ ٱلْكِتَٰبُ عَلَىٰ طَآئِفَتَيْنِ مِن قَبْلِنَا وَإِن كُنَّا عَن دِرَاسَتِهِمْ لَغَٰفِلِينَ

(156) [We revealed it] lest you say, "The Scripture was only sent down to two groups before us, but we were of their study unaware,"