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.
tabarani:4813ʿUmar b. ʿAbd al-ʿAzīz b. Miqlāṣ from my father > Ibn Wahb > ʿAmr b. al-Ḥārith > Abū al-Aswad > ʿUrwah b. al-Zubayr > Qāl Zayd b. Thābit Limarwān b. al-Ḥakam Taqraʾ b Qul > Allāh Aḥad Waʾinnā Aʿṭaynāk al-Kawthar > Naʿam

[Machine] Zaid bin Thabit said, "So-and-so, I have indeed seen the Messenger of Allah ﷺ reciting the two longest Surahs."  

الطبراني:٤٨١٣حَدَّثَنَا عُمَرُ بْنُ عَبْدِ الْعَزِيزِ بْنِ مِقْلَاصٍ ثنا أَبِي ثنا ابْنُ وَهْبٍ أَخْبَرَنِي عَمْرُو بْنُ الْحَارِثِ عَنْ أَبِي الْأَسْوَدِ عَنْ عُرْوَةَ بْنِ الزُّبَيْرِ قَالَ قَالَ زَيْدُ بْنُ ثَابِتٍ لِمَرْوَانَ بْنِ الْحَكَمِ تَقْرَأُ بِ قُلْ هُوَ اللهُ أَحَدٌ وَإِنَّا أَعْطَيْنَاكَ الْكَوْثَرَ فَقَالَ نَعَمْ فَقَالَ

زَيْدُ بْنُ ثَابِتٍ «فَمَحْلُوفَةٌ لَقَدْ رَأَيْتُ رَسُولَ اللهِ ﷺ يَقْرَأُ بِأَطْوَلِ الطَّوِيلتَيْنِ»