It is narrated from Sayyiduna Abu Musa al-Ash'ari (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) used to ride a donkey, wear woollen clothing, tie the leg of a goat himself, and show hospitality and consideration to guests. This hadith is sahih (authentic) on the conditions of the two Shaykhs (Bukhari and Muslim), but they did not record it. I have mentioned these habits and virtues in these places because these qualities are part of faith. It also has a supporting report (shahid) which Zabban (a narrator) narrates alone, and the two Shaykhs did not record it.