Ash-Shu'ara 26:28

قَالَ رَبُّ ٱلْمَشْرِقِ وَٱلْمَغْرِبِ وَمَا بَيْنَهُمَآ ۖ إِن كُنتُمْ تَعْقِلُونَ

Qāla rabbu l-mashriqi wal-maghribi wamā baynahumā in kuntum taʿqilūna

[Moses] said, "Lord of the east and the west and that between them, if you were to reason."