17 Preface أَم أَمِنتُم مَن فِي السَّماءِ أَن يُرسِلَ عَلَيكُم حاصِبًا ۖ فَسَتَعلَمونَ كَيفَ نَذيرِAli Quli QaraiAre you secure that He who is in the sky will not unleash upon you a rain of stones? Soon you will know how My warning has been!