فَمَا اسۡطَاعُوۡ٘ا اَنۡ يَّظۡهَرُوۡهُ وَمَا اسۡتَطَاعُوۡا لَهٗ نَقۡبًا

So Gog and Magog were unable to pass over it, nor were they able [to effect] in it any penetration