إِنَّكَ لَا تُسْمِعُ الْمَوْتَى وَلَا تُسْمِعُ الصُّمَّ الدُّعَاء إِذَا وَلَّوْا مُدْبِرِينَ

80. Indeed you cannot make the dead hear, nor can you make the deaf hear the call once they have turned their backs, going away.