Quran 79:27 from Surah An-Naazi'aat on Divine Marvels.
ءَأَنتُمۡ أَشَدُّ خَلۡقًا أَمِ ٱلسَّمَآءُۚ بَنَىٰهَا
English translation: Are you a more difficult creation or the heaven He constructed it
Transliteration: a-antum ashaddu khalqan ami al-samau banaha