Chapter on Testimony Based on Testimony
Man Lā Yaḥḍuruh al-Faqīh|Volume 3|Book 1|Chapter 30
وَ رَوَى عَمْرُو بْنُ جُمَيْعٍ عَنْ أَبِي عَبْدِ اَللَّهِ عَنْ أَبِيهِ عَلَيْهِمَا اَلسَّلاَمُ قَالَ: "أَشْهِدْ عَلَى شَهَادَتِكَ مَنْ يَنْصَحُكَ" قَالُوا أَصْلَحَكَ اَللَّهُ كَيْفَ يَزِيدُ وَ يَنْقُصُ قَالَ "لاَ وَ لَكِنْ مَنْ يَحْفَظُهَا عَلَيْكَ". وَ لَا تَجُوزُ شَهَادَةٌ عَلَى شَهَادَةٍ عَلَى شَهَادَةٍ.
Amr ibn Jumay' narrated from Abu Abdullah Imam Jafar ibn Muhammad Al-Sadiq عليه السلام from his father, Imam Muhammad ibn Ali Al-Baqir عليه السلام: Imam عليه السلام said: "Let someone trustworthy bear witness to your testimony." They asked: 'May Allah سبحانه وتعالى keep you well, how can it increase or decrease?' Imam عليه السلام replied: "No, but it should be someone who preserves it for you." Imam عليه السلام also said: "It is not permissible to testify upon a testimony that is based on another testimony."
- Ṣaḥīḥ al-Faqīh