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:11024Muḥammad b. al-Naḍr al-Azdī > Muʿāwiyah b. ʿAmr > Zāʾidah > Layth > Ṭāwus > Ibn ʿAbbās

[Machine] "No one can purify him (referring to someone) except the Prophet Muhammad ﷺ ."  

الطبراني:١١٠٢٤حَدَّثَنَا مُحَمَّدُ بْنُ النَّضْرِ الْأَزْدِيُّ ثنا مُعَاوِيَةُ بْنُ عَمْرٍو ثنا زَائِدَةُ عَنْ لَيْثٍ عَنْ طَاوُسٍ عَنِ ابْنِ عَبَّاسٍ قَالَ

«مَا أَحَدٌ أُزَكِّيهِ غَيْرَ النَّبِيِّ ﷺ»