4. Al-Husayn ibn Muhammad has narrated from Mu’alla ibn Muhammad from Ahmad ibn Muhammad ibn ‘Abd Allah from Ali ibn la’ far from his brother abu al-Hassan عليه السلام who has said the following: “I heard abu al-Hassan عليه السلام saying, ‘Anyone whose brother (in belief) comes to him for help and support in his affairs and one does not provide any support or assistance when capable of doing so, has cut off oneself from the guardianship of Allah, the Most Majestic, the Most Holy.’”