It is sunnah to recite the following Duaa when entering the Musjid: أَعُوذُ بِاللهِ العَظِيمِ وَبِوَجْهِهِ الْكَرِيم وَسُلْطَانِهِ القَدِيم مِنَ الشَّيْطَانِ الرَّجِيم I seek protection in Allah Ta’ala, the Great, and in His noble Countenance and His eternal might and power from the accursed Shaytaan. عن عبد الله بن عمرو …