Ali ibn Ibrahim has narrated from Muhammad ibn 'Isa from Yunus from al-Husayn ibn Thuwayr ibn abu Fakhita from abu'Abdallah (a.s.) who has said the following.
"Imamat (Leadership with Divine Authority) will never go to two brothers after al-Hassan and al- Husayn (a.s.). It has continued from Ali ibn al-Husayn (a.s.) as Allah, the Most Holy, the
Most High has said, "The relatives are closer to each other, according to the Book of God, . . ." (33:6) After Imam Ali ibn al-Husayn (a.s.) will only be found in the descendents one after the
other."
H 753, Ch. 63, h 2
Ali ibn Muhammad has narrated from Sahl ibn Ziyad from Muhammad ibn Walid from Yunus ibn Ya'qub who has said that he heard abu 'Abdallah (a.s.) say the following. " Allah has disdained to
place Imamat in two brothers after al-Hassan and al-Husayn (a.s.)."
H 754, Ch. 63, h 3
Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad ibn 'Isa from Muhammad ibn Isma'il ibn Bazi' who has said the following. "Abu al-Hassan al-Rida (a.s.) was once asked, "Can Imamat
continue in uncles?" He replied, "No, it can not happen." The narrator has said that he asked the Imams (a.s.), "Can it continue in a brother?" He replied, "No, it can not happen." I then asked,
"With who then it can continues?" He replied, "It will continue with my children." In those days he hadd no children."
H 755, Ch. 63, h 4
Muhammad ibn Yahya has narrated from Muhammad ibn al Husayn from 'Abd al-Rahman ibn abu Najran from Sulayman ibn Ja'fari from Hammad ibn 'Isa from abu 'Abdallah (a.s.) who has said the
following. "Imamat (Leadership with Divine Authority) does not take place in two brothers after al-Hassan and al-Husayn (a.s.). It only continues in the descendents of the Imam (a.s.) generation
after the generation."
H 756, Ch. 63, h 5
Muhammad ibn Yahya has narrated from Muhammad ibn al-Husayn from ibn abu Najran from 'Isa ibn 'Abdallah ibn 'Umar ibn Ali ibn abu Talib (a.s.) who has said that he asked abu 'Abdallah
(a.s.) the following. "Would there happen what is to happen, may Allah would not show me such a day (death of the Imam (a.s.) who then must I follow as my Imam?" The Imam (a.s.) pointed to his
son Musa (a.s.).
The narrator has said that he asked the Imams (a. s.), " What if something will happen to Musa (a.s.) who then must I follow?" The Imam (a.s.), "Follow a son.
" I then asked, "What if something would happen to the son and the Imam would leave behind an elder brother or a small son then who must I follow?" The Imam (a.s.) said, "Follow his son and
so on one after the other." In the script of Sawan it says, ". . .and so on forever."
