H 606 "Allah, the Most Exalted has sent down to me that you should be courteous to one another and no one should consider themselves superior to another nor should they harm him." R 606 Muslim with a chain up to Iyaz, the son of Himar who related that the Prophet, praise and peace be upon him, said this.
601- وعن عِيَاضِ بنِ حمارٍ رضي الله عنه ، قَالَ : قَالَ رسول الله صلى الله عليه وآله وسلم : "إنَّ الله أوْحَى إِلَيَّ أنْ تَوَاضَعُوا حَتَّى لاَ يَفْخَرَ أحَدٌ عَلَى أحَدٍ ، وَلاَ يَبْغِي أحَدٌ عَلَى أحَدٍ" رواه مسلم .