Surah Taa-Haa, Verse 12
إِنِّىٓ أَنَا۠ رَبُّكَ فَٱخْلَعْ نَعْلَيْكَ ۖ إِنَّكَ بِٱلْوَادِ ٱلْمُقَدَّسِ طُوًۭى
Translation — Sahih International
Indeed, I am your Lord, so remove your sandals. Indeed, you are in the sacred valley of Tuwa.
Source
Kur'an-ı Kerim, Tâhâ Suresi 20:12
https://kuran.diyanet.gov.tr/mushaf/kuran-meal-2/20-suresi-12-ayet