Hadith.2208 - Imam Ali ibn Musa Ar-Ridha عليه السلام said: "Whoever facilitates Hajj for three believers has purchased their soul from Allah سبحانه وتعالى, Mighty and Majestic, at its price, and Allah سبحانه وتعالى will not question them about how they earned their wealth, whether it was lawful or unlawful."