Sunan Ibn Majah — The Chapters on Business Transactions — Hadith No: 2142

It was narrated from Jabir that:the Messenger of Allah (ﷺ) sold a Mudabbar

It was narrated from Ibn 'Umar that:The Messenger of Allah said: "There will emerge people who will recite the Qur'an but it will not go any deeper than their collarbones. Whenever a group of them appears, they should be cut off (i.e. killed)." Ibn 'Umar said: "I heard the Messenger of Allah say: 'Whenever a group of them appears, they should be killed' - (he said it) more than twenty times- 'until Dajjal emerges among them

It was narrated that 'Ali bin Abu Talib said:"Your mouths are the paths of the Qur'an, so perfume them with the tooth stick

It was narrated that 'Abdullah bin Zaid said:"The Messenger of Allah said: 'The ears are part of the head