Kāmil al-Ziyārāt > The Ziyārah of Ĥusain (a.s.) and the Other Imams (a.s.) Is Equal to the Ziyārah of the Messenger of Allāh (s.a.a.w.)
Hadith #1

1 حَدَّثَنِي الْحَسَنُ بْنُ عَبْدِ اللَّهِ بْنِ مُحَمَّدِ بْنِ عِيسَى عَنْ أَبِيهِ عَنِ الْحَسَنِ بْنِ مَحْبُوبٍ عَنْ جُوَيْرِيَةَ بْنِ الْعَلَاءِ عَنْ بَعْضِ أَصْحَابِنَا قَالَ مَنْ سَرَّهُ أَنْ يَنْظُرَ إِلَى اللَّهِ يَوْمَ الْقِيَامَةِ وَ تَهُونَ عَلَيْهِ سَكْرَةُ الْمَوْتِ وَ هَوْلُ الْمُطَّلَعِ فَلْيُكْثِرْ زِيَارَةَ قَبْرِ الْحُسَيْنِ (ع) فَإِنَّ زِيَارَةَ الْحُسَيْنِ (ع) زِيَارَةُ رَسُولِ اللَّهِ ص

1. Ĥasan ibn ‘Abdillāh ibn Muĥammad ibn ‘Isā narrated to me from his father, from Ĥasan ibn Maĥbūb, from Juwayriyah ibn ‘Alā, from some of our companions, who said: (Imam Šādiq (a.s.) said): Those who want their struggle at the time of death to be made easy for them, those who want their fear for that which is coming (Judgment) to be reduced, and those who want to be able to look at Allāh on the Day of Judgment, should increasingly go to the Ziyārah of the grave of Ĥusain (a.s.). Verily the Ziyārah of Ĥusain (a.s.) is the Ziyārah of the Messenger of Allāh (s.a.a.w.).