فَاسْتَفْتِهِمْ أَهُمْ أَشَدُّ خَلْقًا أَمْ مَنْ خَلَقْنَا ۚ إِنَّا خَلَقْنَاهُمْ مِنْ طِينٍ لَازِبٍ

Surah As-Saffat : 11
Then inquire of them, [O Muhammad], "Are they a stronger [or more difficult] creation or those [others] We have created?" Indeed, We created men from sticky clay.

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