This surah will always have a shining light in your heart and in the heart of your successors until the rising of the dawn of the day of reappearance of Qa'im.
And after me he will give this information to you. Gabriel who is my brother among the angels informs me of the events of one year of my nation at the night of Qadr. When I went to him he recited this surah, then he put his hand on my right shoulder and said: O my brother and my successor! O the leader of my nation after me! O tireless fighter with my enemies! This surah is yours after me, and is for your two sons after you. When this surah was sent down to the Prophet he asked me to go to him. Imam Husayn (a) asked his father: “Father, how come we feel a different sensation when you recite this surah?” Imam Ali(a) replied, “O son of the Prophet and my son! I know things from this chapter that you are not aware of now. Once Imam Ali was reciting Surat al-Qadr and his sons, Imam Hasan (a) and Imam Husayn (a) were near him.