Imam Abu Hanifa advised his son Hammad to remember 5 of the 5000 or so narrations of the Prophet Muhammad that he had gone through. These five are an abstract essence of the entire corpurs of the narrations attributed to the Prophet, known as Ahadith
Abu Hanifa is one of the earliest Imams of jurisprudence in the Islamic world. He had read up on a great many things on his road to outlining the first juridical framework of its kind within the nascent Islamic civilization.
Among that texts that he went through were 5,000 narrations (or 50 or 500 thousand according to some) attributed to the Prophet Muhammad (saw). These narrations are known as Ahadith (singular: hadith) According to later biographers, the Imam advised his son, Hammad, that out of this corpus, five contain the essence of the entire collection, and these five are fittingly abstract and sublime:
