بِسْمِ اللَّهِ وَلَجْنَا، وَبِسْمِ اللَّهِ خَرَجْنَا، وَعَلَى اللَّهِ رَبِّنَا تَوَكَّلْنَا
Bismillahi walajna, wa bismillahi kharajna, wa 'alallahi Rabbina tawakkalna
Im Namen Allahs treten wir ein, im Namen Allahs gehen wir hinaus, und auf Allah unseren Herrn vertrauen wir.
Recite when entering the home
The Prophet (PBUH) said when a person says this upon entering, Satan says to his companions: 'You have no place to spend the night.'