Holy Quran, Chapter 6 Verse 158
هَلْ يَنظُرُونَ إِلاَّ أَن تَأْتِيهُمُ الْمَلآئِكَةُ أَوْ يَأْتِيَ رَبُّكَ أَوْ يَأْتِيَ بَعْضُ آيَاتِ رَبِّكَ يَوْمَ يَأْتِي بَعْضُ آيَاتِ رَبِّكَ لاَ يَنفَعُ نَفْسًا إِيمَانُهَا لَمْ تَكُنْ آمَنَتْ مِن قَبْلُ أَوْ كَسَبَتْ فِي إِيمَانِهَا خَيْرًا قُلِ انتَظِرُواْ إِنَّا مُنتَظِرُونَ
“Wait they, indeed, (to see) that the angels come to them, or that your Lord (Himself) comes, or that some signs of your Lord come? On the day when some of the signs of your Lord come, belief will not profit any soul who did not believe before, or did not earn any good by its belief. Say (O Mohammed), ‘Wait, verily we too are waiting” (more…)