Ladder

وَإِن كَانَ كَبُرَ عَلَيْكَ إِعْرَاضُهُمْ فَإِنِ ٱسْتَطَعْتَ أَن تَبْتَغِىَ نَفَقًا فِى ٱلْأَرْضِ أَوْ سُلَّمًا فِى ٱلسَّمَآءِ فَتَأْتِيَهُم بِـَٔايَةٍ ۚ وَلَوْ شَآءَ ٱللَّهُ لَجَمَعَهُمْ عَلَى ٱلْهُدَىٰ ۚ فَلَا تَكُونَنَّ مِنَ ٱلْجَـٰهِلِينَ

If you find rejection by the disbelievers so hard to bear, then seek a tunnel into the ground or a ladder into the sky, if you can, and bring them a sign: God could bring them all to guidance if it were His will, so do not join the ignorant.

وَلَوْلَآ أَن يَكُونَ ٱلنَّاسُ أُمَّةً وَٰحِدَةً لَّجَعَلْنَا لِمَن يَكْفُرُ بِٱلرَّحْمَـٰنِ لِبُيُوتِهِمْ سُقُفًا مِّن فِضَّةٍ وَمَعَارِجَ عَلَيْهَا يَظْهَرُونَ

If it were not that all mankind might have become a single nation [of disbelievers], We could have given all those who disbelieve in the Lord of Mercy houses with roofs of silver, sweeping staircases to ascend,

أَمْ لَهُمْ سُلَّمٌ يَسْتَمِعُونَ فِيهِ ۖ فَلْيَأْتِ مُسْتَمِعُهُم بِسُلْطَـٰنٍ مُّبِينٍ

Do they have a ladder to climb, in order to eavesdrop [on Heaven’s secrets]? Let their eavesdropper produce clear proof.