So make hearts among the people incline toward them and provide for them from the fruits that they might be grateful} (Ibrahim: 37). It has been reported that the Upper House (Al-Bayt al-Ulwi) and the Lower House (Al-Bayt al-Sufli) are made of red ruby, and it is said [they are] of white pearl and green emerald; the requirement of knowledge dictates that the Upper House be Luminous (Nurani) while the other is Substantial (Jawhari).

The pilgrim has been forbidden from lewdness, wickedness, and disputation during the Hajj. The pilgrim must know the appointed times (mawaqit), the Consecration (Ihram), and its purity. He must abstain through it from certain foods, drinks, rites, marriages, perfumes, hunting, and other such things during the days of his Ihram. [He must also have] knowledge of the House, its doors, the pillars (arkan), the Black Stone, the water spout (mizrab), Al-Mustajar, Al-Multazam, the Station of Abraham (Maqam Ibrahim), the manifestation (thuhur) from it, the performing of seven circuits of Circumambulation (Tawaf), followed by two units of prayer at the Station of Abraham the Intimate. Furthermore, [he must have] knowledge of Safa and Marwa and the quest (sa‘i) between them, Arafat, the timings, Muzdalifah and its night, Mina and the stay therein, the shaving (halq), the stoning of the pillars (ramy al-jamar), the Umrah, its timing, its miqat, the boundaries of the Sanctuary (Al-Haram), and all the rites.