وَلَوۡ فَتَحۡنَا عَلَيۡهِم بَابٗا مِّنَ ٱلسَّمَآءِ فَظَلُّواْ فِيهِ يَعۡرُجُونَ

Were We to open for them a gate of the sky, so that they could go on ascending through it,