Hadith #4858General Behavior (Kitab Al-Adab) · Narrated by Abu Ahmed al-Mu'dab الحسين بن محمد بن بهرام - أبو علي المؤدب, al-Walid bin Abi Hisham الوليد بن أبي هشام زياد, al-Walid bin Muslim al-Quraishi الوليد بن مسلم القرشي, ibn Mas'ud, Isra'il bin Yonus bin Abi Ishaq إسرائيل بن يونس بن أبي إسحاق, Muhammad bin Yahya bin Faris al-Dhahli محمد بن يحيى بن فارس الذهلي, Muhammad bin Yusuf al-Faryabi محمد بن يوسف الفريابي, Zayd bin Za'id'h زيد بن زائدة ويقال, Zuhayr bin Harb زهير بن حرب بن شداد أبو خثيمة · Sahih
A similar tradition has also been transmitted by Abu Hurairah from the Prophet (ﷺ) through a different chain of narrators.
Hadith #4859General Behavior (Kitab Al-Adab) · Narrated by Abdullah bin 'Amr bin al-Faghwa' عبد الله بن عمرو بن الفغواء, Amr bin al-Faghwa', Ibn Ishaq محمد بن إسحاق بن يسار, Ibrahim bin Sa'd bin Ibrahim إبراهيم بن سعد بن إبراهيم, Isa bin Ma'mr Hjazy عيسى بن معمر حجازي, Muhammad bin Yahya bin Faris al-Dhahli محمد بن يحيى بن فارس الذهلي, Nwh bin Yazid bin Syar نوح بن يزيد بن سيار البغدادي · Hasan Sahih
When the Messenger of Allah (ﷺ) intended to get up from the assembly he used to say in the last. Glory be to Thee. O Allah, and I begin with praise of Thee, I testify that there is no god but Thou; I ask Thy pardon, and return to Thee in repentance. The man asked: Messenger of Allah! you utter the words now which you did not do in the past? He replied: (This is an) atonement for what takes place in the assembly.
Hadith #5195General Behavior (Kitab Al-Adab) · Narrated by Abu Umama bin Sahl, al-Dahhak bin Mukhlad Abu 'Asim al-Nabil الضحاك بن مخلد أبو عاصم النبيل, Muhammad bin Yahya bin Faris al-Dhahli محمد بن يحيى بن فارس الذهلي, Muhammad bin Ziyad al-Alhani محمد بن زياد الألهاني, Wahb bin Khalid al-Hmyry Abu وهب بن خالد الحميري · Sahih
A man came to the Prophet (ﷺ) and said: Peace be upon you! He responded to his salutation. He then sat down. The Prophet (ﷺ) said: Ten. Another man came and said: Peace and Allah’s mercy be upon you! He responded to his salutation when he sat down. He said: Twenty. Another man came and said: Peace and Allah’s mercy and blessings be upon you! He responded to him and said when he sat down: and blessings be upon you! He responded to him and said when he sat down: Thirty.