Jami` at-Tirmidhi 2909
جامع الترمذي#2909SahihNarrated 'Ali bin Abi Talib:that the Messenger of Allah (ﷺ) said: "The best of you is he who learns the Qur'an and teaches it
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih Lighairihi
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 45:35