Surah At-Tur, ayah 36

أَمۡ خَلَقُواْ ٱلسَّمَٰوَٰتِ وَٱلۡأَرۡضَۚ بَل لَّا يُوقِنُونَ ٣٦

Am khalaqus-samāwāti wal-arda bal lā yūqinūn

Or did they create the heavens and the earth? Rather, they are not certain.