Quran 24:28 from Surah An-Noor on Divine Marvels.
فَإِن لَّمۡ تَجِدُواْ فِيهَآ أَحَدٗا فَلَا تَدۡخُلُوهَا حَتَّىٰ يُؤۡذَنَ لَكُمۡۖ وَإِن قِيلَ لَكُمُ ٱرۡجِعُواْ فَٱرۡجِعُواْۖ هُوَ أَزۡكَىٰ لَكُمۡۚ وَٱللَّهُ بِمَا تَعۡمَلُونَ عَلِيمٞ
English translation: But if not you find in it anyone then (do) not enter it until permission has been given to you And if it is said to you Go back then go back it (is) purer for you And Allah of what you do (is) All-Knower
Transliteration: fa-in lam tajidu fiha ahadan fala tadkhuluha hatta yu'dhana lakum wa-in qila lakumu ir'ji'u fa-ir'ji'u huwa azka lakum wal-lahu bima ta'maluna alimun