It is narrated from Abu Saeed Al-Khudri that he asked the Messenger of Allah about the noble words of the Almighty Allah: ﴿وَ مَنْ عِنْدَهُ عِلْمُ الْكِتَابِ﴾ [“And he with whom is the knowledge of the Book”?] [1]
The Prophet (ص) said:
“He is my brother Ali bin Abi Talib.” [2]
[1] Sura Ra’d, verse 43.
[2] Hakim al-Haskani, Shawahid al-Tanzil, V.1, page 400; Iji, Tauzeeh ul-Dalayil, page 161; Qurtubi, Tafsir, V.9, page 236.