Sunan Ibn Majah 258

It was narrated that Hudhaifah said: I heard the Messenger of Allah say: 'Do not acquire knowledge in order to show off before the scholars, or to argue with the foolish, or to attract people's attention, for whoever does that will be in Hell.' ..

It was narrated that Abu Hurairah said: The Messenger of Allah said: 'Whoever seeks knowledge in order to argue with the foolish, or to show off before the scholars, or to attract people's attention, Allah will admit him to Hell.' ..

It was narrated from Abu Hurairah that: The Prophet said: There is no man who memorizes knowledge then conceals it, but he will be brought forth on the Day of Resurrection bridled with reins of fire. (Hasan) Another chain with similar wording. ..

It was narrated that 'Abdur-Rahman bin Hurmuz Al-A'raj heard Abu Hurairah say: By Allah, were it not for two Verses in the Book of Allah, I would never have narrated anything from him, meaning from the Prophet, were it not for the Words of Allah:..

It was narrated that Jabir said: The Messenger of Allah said: 'When the last people of this Ummah curse the first, (at that time) whoever conceals a Hadith will be concealing what Allah has revealed.' (Maudu') ..

Yusuf bin Ibrahim said: 'I heard Anas bin Malik say: I heard the Messenger of Allah say: Whoever is asked about knowledge and conceals it, it will be bridled on the Day of Resurrection with reins of fire.' ..