Narrated Anas bin Malik:

The Prophet (ﷺ) said to Ubai, "Allah has ordered me to recite to you: 'Those who disbelieve (Surat-al- Bayina 98).' " Ubai said, "Has He mentioned my name?" The Prophet (ﷺ) said, "Yes." On hearing this, Ubai started weeping.

Narrated Anas bin Malik:

The Prophet (ﷺ) said to Ubai (bin Ka`b). "Allah has ordered me to recite to you:--'Those who disbelieve among the people of the Scripture and among the idolators are not going to stop (from their disbelief.') (Sura 98) Ubai said, "Did Allah mention me by name?" The Prophet (ﷺ) said, "Yes." On that, Ubai wept.

Narrated Anas bin Malik:

The Prophet (ﷺ) said to Ubai, "Allah has ordered me recite Qur'an to you." Ubai asked, "Did Allah mention me by name to you?" The Prophet (ﷺ) said, "Allah has mentioned your name to me." On that Ubai started weeping. (The sub-narrator) Qatada added: I have been informed that the Prophet (ﷺ) recited: 'Those who disbelieve among the people of the Scripture," ...to Ubai.

Anas b. Malik reported that Allah's Messenger (ﷺ) said to Ubayy b. Ka'b: I have been commanded to recite to you the Sura (al- Bayyinah) which opens with these words (Lam Yakunil-ladhiyna Kafaruu) He said: Has he mentioned to you my name? He said: Yes; thereupon he shed tears of joy.