Sunan ad-Darimi 367

Translation

✧ "Umar's knowledge decreased by two thirds," I said to Ibrahim. He replied, "Umar's knowledge decreased by nine tenths."

Grades by grader

Narrators

1. 1
   ʿUmar b. al-Khaṭṭāb

   Commander of the Faithful (amīr al-muʾminīn), well-known, of abundant virtues (jamm al-manāqib)d. 23 AH, also said: 24 AH
   عُمَر بْن الْخَطَّابأمير المؤمنين مشهور جم المناقب
   في حكم العنعنة
2. 2
   ʿAmr b. Maymūn al-Awdī

   trustworthy (thiqah), devout (ʿābid)d. al-Haytham b. ʿAdī said: died during the governorship of al-Ḥajjāj, before al-Jamājim. Abū Nuʿaym said, and Muḥammad b. ʿAbdullāh b. Numayr: he died in 74 AH. ʿAmr b. ʿAlī said, and Abū Bakr b. Abī Shaybah, and Abū ʿUbayd: died in the year 75 AH. Khalīfah b. Khayyāṭ said: he died in 76 AH, also said: the year 74 AH. And he said elsewhere: the year 76 AH or 77 AH
   عَمْرِو بْنِ مَيْمُونٍثقة عابد
   عن
3. 3
   Abū Isḥāq al-Sabīʿī

   Trustworthy (thiqah), a prolific narrator (mukthir), devout (ʿābid); his memory became confused (ikhtalaṭa) at the end of his lifed. Ibn ʿUyaynah said 126 AH, Yaḥyā b. Saʿīd said 127 AH, Abū Nuʿaym said 128 AH, ʿAmr b. ʿAlī said 129 AH, Ibn Maʿīn said 132 AH
   أَبِي إِسْحَاقَثقة مكثر عابد , اختلط بآخره
   عن
4. 4
   Abū Sinān

   Truthful (ṣadūq) with some errors (awhām)d. before 160 AH
   أَبُو سِنَانٍصدوق له أوهام
   حدثنا
5. 5
   Mihrān b. Abī ʿUmar

   truthful (ṣadūq), has some lapses (awhām), poor memory (sayyiʾ al-ḥifẓ)d. before Jarīr b. ʿAbd al-Ḥamīd
   مِهْرَانُصدوق له أوهام ، سيئ الحفظ
   حدثنا
6. 6
   Muḥammad b. Ḥumayd

   A ḥāfiẓ, weak (ḍaʿīf), Ibn Maʿīn held a good opinion of himd. 248 AH
   مُحَمَّدُ بْنُ حُمَيْدٍحافظ ضعيف ، وكان ابن معين حسن الرأي فيه
   أخبرنا
7. 7
   al-Dārimī

   trustworthy (thiqah), excellent (fāḍil), meticulous (mutqin)d. 254 AH, or 255 AH, also said: 250 AH
   الدارميثقة ، فاضل ، متقن

Who each narrator was and how reliable, from hdith.com

Latin names and English verdicts with a dotted underline are machine translations, not reviewed.