١٧ - حَدَّثَنا عَلِىِّ بْنِ أَحْمَدِ بْنِ عَبْدِ اللَّه بْنِ أَحْمَدِبْنِ أَبي عَبْدِ اللَّه البَرْقِي رَضِىَ اللهُ عَنْهُ قالَ: حَدَّثَنا أَبي عَنْ جَدِّي أَحْمَدِ بْنِ أَبي عَبْدِ اللَّه البَرْقِي، عَنْ مُحَمَّدِ بْنِ عِيسَى، عَنْ مُحَمَّدِ بْنِ أَبي يَعْقُوبِ البلخي قالَ: سَأَلْتُ أَبَا الْحَسَنِ الرِّضَا عَلَيْهِ السَّلامُ قُلْتُ لَهُ لايِّ عِلَّةٍ صَارَتِ الإِمَامَةُ فِي وُلْدِ الْحُسَيْنِ دُونَ وُلْدِ الْحَسَنِ‏ عَلَيْهِ السَّلامُ قَالَ لانَّ اللَّهَ عَزَّ وَجَلَّ جَعَلَهَا فِي وُلْدِ الْحُسَيْنِ وَلَمْ يَجْعَلْهَا فِي وُلْدِ الْحَسَنِ وَاللَّهُ لا يُسْئَلُ عَمَّا يَفْعَلُ.
32-17 Ali ibn Ahmad ibn Abdillah ibn Ahmad ibn Abi Abdillah al-Barqi, may God be pleased with him - narrated that his father quoted on the authority of his grandfather, on the authority of Ahmad ibn Abi Abdillah al-Barqi, on the authority of Muhammad ibn Isa that Muhammad ibn Abi Yaqoob al-Balkhi asked Abal Hassan Ar-Ridha’ , “Why is Divine Leadership in the lineage of Al-Husayn, and not that of Al-Hassan?” Ar-Ridha’  replied, “Indeed the Honorable the Exalted God established Divine Leadership in the lineage of Al-Husayn , and God cannot be questioned regarding what He does.”