It is narrated from Qais bin Abi Hazim (may Allah have mercy on him) that I heard Sayyiduna Muawiyah (may Allah be pleased with him) saying to his younger brother: "Let this slave sit behind you on the ride." But he refused. Sayyiduna Muawiyah (may Allah be pleased with him) said to him: "You have been badly brought up." Qais (may Allah have mercy on him) says that I heard Abu Sufyan saying: "Leave your brother to his own condition."
Hadith Referenceالادب المفرد / كتاب الكنية / 854
Hadith Gradingالألبانی:صحيح
Hadith Takhrij«صحيح : أخرجه ابن أبى عاصم فى الآحاد : 508 و الطبراني فى الكبير : 308/19»