It is reported from the same Companion that the Prophet (peace and blessings be upon him) said: "Good demeanour and good conduct are one part of the seventy parts of prophethood."
Al-Tabarani recorded it. Its chain contains Qabus bin Abi Zabyan, who is thiqah (trustworthy), and in whom there is weakness. The rest of its narrators are the narrators of the Sahih.
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الأدب / 13118
Hadith Gradingمحدثین:إسنادہ ضعیف
Hadith Takhrij«اخرجه الطبراني فى المعجم الكبير (12608) ، أخرجه المعجم الكبير للطبراني برقم: 12608»