2-121 Al-Hassan ibn Muhammad ibn Yahya al-Alavi - may God be pleased with him - narrated that his grandfather quoted on the authority of Davood ibn al-Qasim, on the authority of Al-Hassan ibn Zayd that he had heard a group of the members of his household say, “When Ja’far ibn Abi Talib - may God be pleased with him - returned from Ethiopia where he had migrated to, it coincided with the conquering of Khaybar. The Prophet (MGB) stood up in front of him, kissed him on the forehead and said, ‘I do not know what has pleased me more? Is it the return of Ja’far or is it the conquering of Khaybar by God.’”(The compiler of the book said,) ‘I have narrated the traditions in this regard in the book Faza’el Ja’far ibn Abi Talib.