Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
darimi:519ʿAmr b. ʿAwn > Fuḍayl > ʿUbayd al-Muktib

[Machine] "I saw them writing the explanation at Mujahid's."  

الدارمي:٥١٩أَخْبَرَنَا عَمْرُو بْنُ عَوْنٍ أَنبَأَنَا فُضَيْلٌ عَنْ عُبَيْدٍ الْمُكْتِبِ قَالَ

«رَأَيْتُهُمْ يَكْتُبُونَ التَّفْسِيرَ عِنْدَ مُجَاهِدٍ»