Sura 16 Al-Nahl (The Bee), ayah 98

1. فَإِذَا قَرَأْتَ الْقُرْآنَ فَاسْتَعِذْ بِاللَّهِ مِنَ الشَّيْطَانِ الرَّجِيمِ

   So when you recite the Qur'an, (first) seek refuge in Allah from Satan, the expelled (from His mercy).

   16:98

Translation: Saheeh International