Ash-Shu'ara 26:24

قَالَ رَبُّ ٱلسَّمَـٰوَٰتِ وَٱلْأَرْضِ وَمَا بَيْنَهُمَآ ۖ إِن كُنتُم مُّوقِنِينَ

Qāla rabbu l-samāwāti wal-arḍi wamā baynahumā in kuntum mūqinīna

[Moses] said, "The Lord of the heavens and earth and that between them, if you should be convinced."