Taha 20:12

إِنِّىٓ أَنَا۠ رَبُّكَ فَٱخْلَعْ نَعْلَيْكَ ۖ إِنَّكَ بِٱلْوَادِ ٱلْمُقَدَّسِ طُوًى

Innī anā rabbuka fa-ikh'laʿ naʿlayka innaka bil-wādi l-muqadasi ṭuwan

Indeed, I am your Lord, so remove your sandals. Indeed, you are in the blessed valley of Ṭuwā.