Quran 21:16 from Surah Al-Anbiyaa on Divine Marvels.
وَمَا خَلَقۡنَا ٱلسَّمَآءَ وَٱلۡأَرۡضَ وَمَا بَيۡنَهُمَا لَٰعِبِينَ
English translation: And not We created the heavens and the earth and what (is) between them (for) playing
Transliteration: wama khalaqna al-samaa wal-arda wama baynahuma la'ibina