Qur'ān 16:22 · An-Nahl (النحل)

إِلَـٰهُكُمْ إِلَـٰهٌۭ وَٰحِدٌۭ ۚ فَٱلَّذِينَ لَا يُؤْمِنُونَ بِٱلْـَٔاخِرَةِ قُلُوبُهُم مُّنكِرَةٌۭ وَهُم مُّسْتَكْبِرُونَ

Your god is one God. But those who do not believe in the Hereafter - their hearts are disapproving, and they are arrogant.