Qur'an 4:113

وَلَوْلَا فَضْلُ ٱللَّهِ عَلَيْكَ وَرَحْمَتُهُۥ لَهَمَّت طَّآئِفَةٌ مِّنْهُمْ أَن يُضِلُّوكَ وَمَا يُضِلُّونَ إِلَّآ أَنفُسَهُمْ ۖ وَمَا يَضُرُّونَكَ مِن شَىْءٍ ۚ وَأَنزَلَ ٱللَّهُ عَلَيْكَ ٱلْكِتَـٰبَ وَٱلْحِكْمَةَ وَعَلَّمَكَ مَا لَمْ تَكُن تَعْلَمُ ۚ وَكَانَ فَضْلُ ٱللَّهِ عَلَيْكَ عَظِيمًا

But for the grace of Allah upon thee (Muhammad), and His mercy, a party of them had resolved to mislead thee, but they will mislead only themselves and they will hurt thee not at all. Allah revealeth unto thee the Scripture and wisdom, and teacheth thee that which thou knewest not. The grace of Allah toward thee hath been infinite.