ʿUyūn akhbār al-Riḍā
Hadith 1515 - وَبِهذَا الإِسنادِ عَنْ جَعْفَرِ بْنِ مُحَمَّدٍعَلَيْهِمَاالسَّلاَمُ قالَ: كانَ عَلَى خاتَمِ مُحَمَّدِ بْنِ عَلِىٍعَلَيْهِمَا السَّلاَمُ مَكْتُوبٌ:ظَنّيَ بِاللَّهِ حَسَنٌ وَبالنَّبِّي المُؤْتَمَنِ وَبالوَصِّيِ ذِي المَنَنِ وَبِالحُسَينِ وَالحَسَنِ
31-15 According to the same documentation, Ja’far ibn Muhammad (as-Sadiq) (a.s.) said, “It was written on the seal of Muhammad ibn Ali (a.s.), ‘I am optimistic about God, his trustworthy Prophet (S), his kind Trustee, and Al-Hassan and Al-Husayn.”