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:16131Muḥammad b. al-Naḍr al-Azdī > Aḥmad b. ʿAbd al-Malik b. Wāqid al-Ḥarrānī > Qatādah b. al-Faḍl b. Qatādah al-Rahāwī from his father > ʿAm Abū Hāshim b. Qatādah al-Rahāwī from his father

[Machine] I came to the Messenger of Allah ﷺ and embraced Islam. He said to me, "O Qatadah, cleanse yourself with water and sidr (lotus) leaves and remove the hair of disbelief from yourself." The Messenger of Allah ﷺ used to command those who embraced Islam to be circumcised. He was eighty years old.  

الطبراني:١٦١٣١حَدَّثَنَا مُحَمَّدُ بْنُ النَّضْرِ الْأَزْدِيُّ ثنا أَحْمَدُ بْنُ عَبْدِ الْمَلِكِ بْنِ وَاقِدٍ الْحَرَّانِيُّ ثنا قَتَادَةُ بْنُ الْفَضْلِ بْنِ قَتَادَةَ الرَّهَاوِيُّ عَنْ أَبِيهِ حَدَّثَنِي عَمُّ أَبِي هَاشِمِ بْنِ قَتَادَةَ الرَّهَاوِيُّ عَنْ أَبِيهِ قَالَ

أَتَيْتُ رَسُولَ اللهِ ﷺ فَأَسْلَمْتُ فَقَالَ لِي «يَا قَتَادَةُ اغْتَسَلْ بِمَاءٍ وَسِدْرٍ وَاحْلِقْ عَنْكَ شَعَرَ الْكُفْرِ» وَكَانُ رَسُولُ اللهِ ﷺ يَأْمُرُ مَنْ أَسْلَمَ أَنْ يَخْتَتِنَ وَكَانَ ابْنَ ثَمَانِينَ سَنَةً