وَحَدَّثَنِي، عَنْ مَالِك، أَنَّهُ بَلَغَهُ : إِذَا دُخِلَ الْبَيْتُ غَيْرُ الْمَسْكُونِ، يُقَالُ : السَّلَامُ عَلَيْنَا وَعَلَى عِبَادِ اللَّهِ الصَّالِحِينَ
It reached Imam Malik, may Allah have mercy on him, that when a person enters a house which is empty, he should say: "Peace be upon us and upon the righteous servants of Allah," that is: Peace be upon us and upon the righteous servants of Allah.