
From the life of Hazrat Ali (ra) bin Abi Talib
Hazrat Ibn Abbas (ra) relates that Hazrat Umar (ra) used to say, “The most excellent reciter of the Holy Quran amongst us is Ubay (ra) bin Kaab and the one who is best in giving verdicts is Ali (ra).”
(Sahih al-Bukhari, Kitab al-Tafsir, Surah al-Baqarah, Bab Qauluh Ma Nansakhu… Hadith 4481)