Qur'an 14:43

مُهْطِعِينَ مُقْنِعِى رُءُوسِهِمْ لَا يَرْتَدُّ إِلَيْهِمْ طَرْفُهُمْ ۖ وَأَفْـِٔدَتُهُمْ هَوَآءٌ

“Racing ahead, their heads raised up, their glance does not come back to them, and their hearts are void.”

Ibrahim 14:43 · Saheeh International