Sunan Abi Dawud 1454
سنن أبي داود#1454SahihAishah reported the Prophet (ﷺ) as saying:One who is skilled in the Qur'an is associated with the noble, upright recording angels, and he who falters when he recites the Qur'an and finds it difficult for him will have a double reward
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Zubair Ali ZaiSahih Bukhari (4937) Sahih Muslim (897)
In-book reference: 8:39