Hazrat Abdullah bin Mas'ud (may Allah be pleased with him) delivered a sermon and said: By Allah, I have learned more than seventy surahs directly from the blessed tongue of the Messenger of Allah (peace and blessings be upon him). By Allah, the companions of the Holy Prophet (peace and blessings be upon him) know very well that I am the most knowledgeable among them regarding the Holy Qur'an, although I am not better than them. Shaqiq (the narrator of the hadith) stated that then I sat in the gathering to hear the opinion of the companions, to see what they would say, but I did not hear anyone refute this statement.
Hadith Referenceاللؤلؤ والمرجان / كتاب فضائل الصحابة / 1598
Hadith Gradingمحدثین:«صحیح»
Hadith Takhrij«صحیح، أخرجه البخاري في: 66 كتاب فضائل القرآن: 8 باب القراء من أصحاب النبي صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ»