Sahih Muslim — The Book of Clothes and Adornment — Hadith No: 5405

Abd al-Rahman b. Yazid reported:I met Abu Mas'ud near the House (Ka'ba) and said to him: A hadith has been conveyed to me on your authority about the two (concluding verses of Surah al-Baqara. He said: Yes. The Messenger of Allah (ﷺ) (in fact) said: Anyone who recites the two verses at the end of Surah al-Baqara at night, they would suffice for him

It is reported on the authority of Abu Huraira that the Messenger of Allah (ﷺ) said:Get together. for I am going to recite one-third of the Qur'an before you. And those who could get together gathered there. Then the Messenger of Allah (ﷺ) came out and recited:" Say: He, Allah, is One." He then entered (his house). Some of us said to the others: Perhaps there has been some news from the heaven on account of which he has gone Inside (the house). The Apostle of Allah (ﷺ) again came out and said: I told you that I was going to recite one-third of the Qur'in; keep in mind, this (Surah Ikhlas) is equivalent to one-third of the Qur'an

This hadith has been narrated by Zuhri through another chain of transmitters

Alqama reported:I met Abu Darda', and he said to me: To which country do you belong? I said: I am one of the people of Iraq. He again said: To which city? I replied: City of Kufa. He again said: Do you recite according to the recitation of 'Abdullah b. Mas'ud? I said: Yes. He said: Recite this verse (By the night when it covers) So I recited it: (By the night when it covers, and the day when it shines, and the creating of the male and the female). He laughed and said: I have heard the Messenger of Allah (ﷺ) reciting like this