Surah Maryam, ayah 26

19:26

فَكُلِي وَٱشۡرَبِي وَقَرِّي عَيۡنٗاۖ فَإِمَّا تَرَيِنَّ مِنَ ٱلۡبَشَرِ أَحَدٗا فَقُولِيٓ إِنِّي نَذَرۡتُ لِلرَّحۡمَٰنِ صَوۡمٗا فَلَنۡ أُكَلِّمَ ٱلۡيَوۡمَ إِنسِيّٗا ٢٦

Fakulī washrabī waqarrī 'aynan fa immā tarayinna minal-bashari ahadan faqūlī innī nadhartu lir-rahmāni sawman falan ukallimal-yawma insiyyā

So eat and drink and be contented. And if you see from among humanity anyone, say, 'Indeed, I have vowed to the Most Merciful abstention, so I will not speak today to [any] man.'"