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.
nasai-kubra:3029ʿAmr b. Hishām al-Ḥarrānī > Muḥammad b. Salamah > Ibn Isḥāq > Muḥammad b. Ibrāhīm > Abū Salamah > Zayd b. Khālid

[Machine] The Prophet ﷺ said, "If it were not difficult for my nation, I would have made using the siwak (tooth stick) obligatory upon them before every prayer." Abu Abdur-Rahman reported that Yahya al-Qattan said, "Muhammad ibn Amr is more authentic in hadith than Muhammad ibn Ishaq."  

الكبرى للنسائي:٣٠٢٩أَخْبَرَنِي عَمْرُو بْنُ هِشَامٍ الْحَرَّانِيُّ عَنْ مُحَمَّدِ بْنِ سَلَمَةَ عَنِ ابْنِ إِسْحَاقَ عَنْ مُحَمَّدِ بْنِ إِبْرَاهِيمَ عَنْ أَبِي سَلَمَةَ عَنْ زَيْدِ بْنِ خَالِدٍ

أَنَّ النَّبِيَّ ﷺ قَالَ «لَوْلَا أَنْ أَشُقَّ عَلَى أُمَّتِي لَفَرَضْتُ عَلَيْهِمُ السِّوَاكَ عِنْدَ كُلِّ صَلَاةٍ» قَالَ أَبُو عَبْدِ الرَّحْمَنِ كَانَ يَحْيَى الْقَطَّانُ يَقُولُ مُحَمَّدُ بْنُ عَمْرٍو أَصْلَحُ مِنْ مُحَمَّدِ بْنِ إِسْحَاقَ فِي الْحَدِيثِ