وَكَانُواْ يَنْحِتُونَ مِنَ الْجِبَالِ بُيُوتًا آمِنِينَ
[15:82]
And they hewed houses in the mountains in security.
Out of the mountains did they hew (their) edifices, (feeling themselves) secure.
And they used to hew out dwellings from the hills, (wherein they dwelt) secure.