Surah Ikhlas – (Chapter 112 of the Qur’an)
Reported about Surat Al-Ikhlas “The Messenger of Allah (صلى الله عليه وسلم (said, “By Him in Whose Hand my soul is, it is equivalent to one-third of the Qur’an.” According to another version, he (صلى الله عليه وسلم (said to his Companions, “Is anyone of you incapable of reciting one-third of the Qur’an in one night?” They considered it burdensome and said: “O Messenger of Allah, which of us can afford to do that?” He (صلى الله عليه وسلم (said, “Surat Al-Ikhlas is equivalent to one-third of the Qur’an.” [Bukhari]