7-12 (The author of the book narrated) my father - may God be pleased with him - narrated that Ali ibn Ibrahim ibn Hashem quoted on the authority of his father, “I always loved the Members of the Holy Household (s), but used to express my hatred for them in the presence of (Harun) Ar-Rashid in order to get closer to him. When Ar-Rashid wenton the Hajj pilgrimage, Muhammad, Al-Qasim and I accompanied him.When he was in Medina, he gave permission for the people to come see him. The last person to come was Musa ibn Ja’far (s). When Ar-Rashid saw him, he moved and stared at the Imam (s) until he reached the room in which Ar-Rashid was. When he got closer, Ar-Rashid kneeled down, hugged him and looking at him said, “O Abul Hassan (Al-Kadhim (s))! How are you? And how is your wife? And how is your father’s wife? How are you? How are you doing?”He kept asking him such questions, and the Imam (s) kept saying, “Fine, fine.” When he stood up, Ar-Rashid got up. Abul Hassan (s) insisted that he remain seated and hugged him. Then he greeted him and said farewell.Al-Ma’mun said, “I was more daring than my brothers in the presence of my father. When Abul Hassan Musa ibn Ja’far departed, I told my father, “O Commander of the Faithful! You treated this man in such a way that you never treated anyone of the descendants of the Immigrants, the Helpers, or the Hashemites! Who was this man?” Harun said, “O my son! This is the Inheritor of the Knowledge of the Prophets. This is Musa ibn Ja’far. If you want correct knowledge, he has it.” Al-Ma’mun said, “From then on their love was rooted in my heart.”