[1/-] al-Kafi: From Muhammad b. Abdallah and Muhammad b. Yahya both from Abdallah b. Ja’far al-Himyari who said: we gathered – me and the Shaykh Abu Amr (al-Amri) – may Allah have mercy on him – at Ahmad bin Ishaq’s, then Ahmad b. Ishaq signaled me to ask him (al-Amri) about the Remnant (al-Mahdi), so I said to him: … and Abu Ali Ahmad b. Ishaq has relayed to me on the authority of Abi al-Hasan (al-Naqi) عليه السلام – saying: I asked him and said: whom do I emulate or from whom do I take? and whose words do I accept? so he said to him: al-Amri is my Thiqa (trustee), so what he gives you on my behalf then his giving is truly on my behalf, and what he says to you on my behalf then his saying is truly on my behalf, so listen to him and obey him, for he is both Thiqa (trustworthy) and reliable, and Abu Ali also informed me that he had asked Aba Muhammad (al-Askari) عليه السلام about the same matter, so he said to him: al-Amri and his son are both Thiqa (trustees), so what they give to you on my behalf then their giving is truly on my behalf, and what they say to you on my behalf then their saying is truly on my behalf, so listen to them and obey them, for they are both Thiqa (trustworthy) and reliable …

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[-/1] الكافي: عن محمد بن عبدالله ومحمد بن يحيى جميعا، عن عبدالله بن جعفر الحميري قال: اجتمعت أنا والشيخ أبوعمرو رحمه الله عند أحمد بن إسحاق فغمزني أحمد بن إسحاق أن أسأله عن الخلف فقلت له: … وقد أخبرني أبوعلي أحمد بن إسحاق عن أبي الحسن عليه السلام قال: سألته وقلت: من اعامل أو عمن آخذ وقول من أقبل؟ فقال له: العمري ثقتي فما ادى إليك عني فعني يؤدي وما قال لك عني فعني يقول، فاسمع له وأطع، فإنه الثقة المأمون، وأخبرني أبوعلي أنه سأل ابا محمد عليه السلام عن مثل ذلك فقال له: العمري وابنه ثقتان، فما أديا إليك عني فعني يؤديان وما قالا لك فعني يقولان، فاسمع لهما وأطعمها فإنهما الثقتان المأمونان …