بِسْمِ اللَّهِ وَلَجْنَا، وَبِسْمِ اللَّهِ خَرَجْنَا، وَعَلَى اللَّهِ رَبِّنَا تَوَكَّلْنَا
Bismillahi walajna, wa bismillahi kharajna, wa 'alallahi Rabbina tawakkalna
In the name of Allah we enter, in the name of Allah we leave, and upon Allah our Lord we rely.
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.'