Abdur Rahman bin Mahdi عبد الرحمن بن مهدي · Chapters on Recitation

that he recited the following to the Prophet (ﷺ): "Who created you in the weakness (Min Da'f)" So he said: "Min Du'f" (Another chain) with similar in meaning.

that the Prophet (ﷺ) said: "He who recites the Qur'an in less than three (days), he does not understand it."