فَمَا اسْطَاعُوا أَن يَظْهَرُوهُ وَمَا اسْتَطَاعُوا لَهُ نَقْبًا

Maka mereka tidak bisa mendakinya dan mereka tidak bisa (pula) melobanginya.

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