(52) باب ثَوَابِ الْقُرْآنِ
It was narrated that Abu Hurairah said that the Messenger of Allah(ﷺ) said:
"Qul Huwa Allahu ahad [Say: He is Allah, (the) One] is equivalent to one third of the Quran."
Reference: Sunan Ibn Majah 3787
In-book reference: Book 33, Hadith 132
English translation: Vol. 5, Book 33, Hadith 3787