سورة Ad-Dukhan 44:38

وَمَا خَلَقْنَا ٱلسَّمَـٰوَٰتِ وَٱلْأَرْضَ وَمَا بَيْنَهُمَا لَـٰعِبِينَ ٣٨

We did not create the heavens and the earth and everything in between for sport