فَاسۡتَفۡتِهِمۡ اَهُمۡ اَشَدُّ خَلۡقًا اَمۡ مَّنۡ خَلَقۡنَاؕ اِنَّا خَلَقۡنٰهُمۡ مِّنۡ طِيۡنٍ لَّازِبٍ
Ask them: ‘Are they harder (and more difficult) to create or those things which We have created (in the heavenly universe)? Surely We have created them from a sticky clay.’