Hazrat Abu Huraira narrates that the Messenger of Allah, peace and blessings be upon him, said: Recite the Qur'an with clear pronunciation of its diacritical marks and seek out its secrets and wonders.

Hazrat Alqamah narrates that Hazrat Abdullah said: Recite the Qur'an clearly with its diacritical marks.

Hazrat Umar bin Zaid narrates that Hazrat Umar wrote a letter to Hazrat Abu Musa Ash'ari and said: After praise and salutations. So, develop understanding in the Sunnah, and develop understanding in the Arabic language, and recite the Qur'an by clarifying its diacritical marks. Because it is in the Arabic language, and attribute yourselves to the tribe of Ma'ad, because you are from the people of the tribe of Ma'ad.

Hazrat Yahya bin Ya'mar narrates that Hazrat Ubayy bin Ka'b said: Learn the Arabic language just as you memorize the Qur'an.

Hazrat Mujahid narrates that Hazrat Ibn Umar (may Allah be pleased with them) said: Recite the Qur'an by making its diacritical marks clear.

Hazrat Abu Alaa narrates that Hazrat Abdullah said: Recite the Qur'an with clear pronunciation of its diacritical marks, because it is in the Arabic language.

Hazrat Ibn Buraidah narrates that one of the companions of the Noble Prophet (peace and blessings be upon him) said: "For me, reciting one verse of the Qur'an with clear articulation of the diacritical marks is more beloved than reciting so many verses of the Qur'an without clear articulation of the diacritical marks."

Hazrat Nafi' narrates that Hazrat Ibn Umar (may Allah be pleased with them) used to beat his son for making a mistake.

Hazrat Abu Musa narrates that a man said to Hasan: O Abu Saeed! By Allah, I see that you make mistakes. So he replied: O my nephew! I make mistakes due to a slip of the tongue.

Hazrat Salim narrates that Hazrat Zaid bin Thabit consulted Hazrat Umar regarding the compilation of the Quran. So he refused and said: "You are people who make mistakes." And he consulted Hazrat Uthman. So he granted permission.