Narrated 'Uthman [bin 'Affan]:
that the Messenger of Allah (ﷺ) said: "The best of you - or the most virtuous of you - is he who learns the Qur'an and teaches it." (AR)
English reference (AR): Vol. 5, Book 42, Hadith 2908 (AR)
Arabic reference (AR): Book 45, Hadith 3155 (AR)