«یَا أَیَّتُهَا النَّفْسُ الْمُطْمَئِنَّةُ ارْجِعِی إِلَى رَبِّک رَاضِیَةً مَّرْضِیَّةً فَادْخُلِی فِی عِبَادِی وَادْخُلِی جَنَّتِی»
فجر/۲۲
In some commentaries are stated: The surah that is introduced as the surah of Imam Hussain (AS) is Surah Fajr. In a narration about the virtue of this Surah from Imam Sadiq (AS), Hazrat says: "Recite Surah Fajr in obligatory and recommended prayers, because this Surah is Surah Hussain bin Ali (AS) and whoever recites this Surah The Day of Judgment with Imam Hussain (AS) is in heaven.
At the end of this sura, it is stated: O soul, return to your Lord with satisfaction, so enter the worshipers and enter Paradise (Fajr/27-30); You, a peaceful soul, return to your Lord while you are pleased with Him and He is pleased with you, and enter the path of my servants and my paradise.
Sheikh Abdullah Bahrani, after narrating the narration of Imam Sadiq (a.s.) regarding this surah and dedicating it to Imam Hussain (a.s.), writes: "After Imam Sadiq (a.s.)'s statement, one of the people present said: How is this Is the surah the surah of Imam Hussain (AS)? Imam said: The meaning of (Self-assured soul) in this verse is Imam Hussain (AS) and his Companions and Shiites.
