Quran 6:68 from Surah Al-An'aam on Divine Marvels.
وَإِذَا رَأَيۡتَ ٱلَّذِينَ يَخُوضُونَ فِيٓ ءَايَٰتِنَا فَأَعۡرِضۡ عَنۡهُمۡ حَتَّىٰ يَخُوضُواْ فِي حَدِيثٍ غَيۡرِهِۦۚ وَإِمَّا يُنسِيَنَّكَ ٱلشَّيۡطَٰنُ فَلَا تَقۡعُدۡ بَعۡدَ ٱلذِّكۡرَىٰ مَعَ ٱلۡقَوۡمِ ٱلظَّٰلِمِينَ
English translation: And when you see those who engage (in vain talks) about Our Verses then turn away from them until they engage in a talk other than it And if causes you to forget the Shaitaan then (do) not sit after the reminder with the people the wrongdoers
Transliteration: wa-idha ra-ayta alladhina yakhuduna fi ayatina fa-a'rid anhum hatta yakhudu fi hadithin ghayrihi wa-imma yunsiyannaka al-shaytanu fala taq'ud ba'da al-dhik'ra ma'a al-qawmi al-zalimina