6:156 · Al-An'aam
أَنْ تَقُولُوا إِنَّمَا أُنْزِلَ الْكِتَابُ عَلَىٰ طَائِفَتَيْنِ مِنْ قَبْلِنَا وَإِنْ كُنَّا عَنْ دِرَاسَتِهِمْ لَغَافِلِينَ
Lest ye should say: "The Book was sent down to two Peoples before us, and for our part, we remained unacquainted with all that they learned by assiduous study:"