Narrated 'Aishah:
that the Messenger of Allah (ﷺ) said: "Among the nations, there used to be Muhaddathun (those who were given understanding), and if there were one in my nation, it would be 'Umar bin Al-Khattab." (AR)
English reference (AR): Vol. 1, Book 46, Hadith 3693 (AR)
Arabic reference (AR): Book 49, Hadith 4057 (AR)