Professor Hussein Ansarian who is the author of the precious book "Sayyid al-Shohada (AS) the manifestation of worship and devotion" stated that Imam Hussein (AS) is a light of divine guidance and mercy, adding: God's door of mercy is not only dedicated to Muslims and its borders go beyond religion and school of thoughts, thus, whoever can build a profound relationship with Imam Hussein will certainly get great achievements.
source : erfan.ir