For 10 points – name this Persia-based religion whose most famous prophets include Siyyid Ali-Muhammad, or the Bab, and Baha'u'llah.
One of this belief's holy texts states that those who "tread the path of faith" and "thirst for the wine of" truth "must cleanse themselves of all that is earthly."  That work, the Book of Certitude, was retranslated into English by one of its leaders Shoghi Effendi, along with the Epistle to the Son of the Wolf  and The Seven Valleys.  Followers of this faith observe eleven holy days over the course of a year divided into nineteen months with nineteen days.  They believe that all religions, though possessing different tenets and creeds, originate from a same identical God.  For 10 points – name this Persia-based religion whose most famous prophets include Siyyid Ali-Muhammad, or the Bab, and Baha'u'llah.
One of this belief's holy texts states that those who "tread the path of faith" and "thirst for the wine of" truth "must cleanse themselves of all that is earthly."  
{Bahai}