Quran 15:68 from Surah Al-Hijr on Divine Marvels.
قَالَ إِنَّ هَٰٓؤُلَآءِ ضَيۡفِي فَلَا تَفۡضَحُونِ
English translation: He said Indeed these (are) my guests so (do) not shame me
Transliteration: qala inna haulai dayfi fala tafdahuni