قُل إِنَّما أُنذِرُكُم بِالوَحيِ ۚ وَلا يَسمَعُ الصُّمُّ الدُّعاءَ إِذا ما يُنذَرونَ

Say, "I only warn you by revelation." But the deaf do not hear the call when they are warned.