Qur'ān 3:177 · Aal-i-Imran (آل عمران)

إِنَّ ٱلَّذِينَ ٱشْتَرَوُا۟ ٱلْكُفْرَ بِٱلْإِيمَـٰنِ لَن يَضُرُّوا۟ ٱللَّهَ شَيْـًۭٔا وَلَهُمْ عَذَابٌ أَلِيمٌۭ

Indeed, those who purchase disbelief [in exchange] for faith - never will they harm Allah at all, and for them is a painful punishment.