According to Saadia Gaon the need for his appearance will depend on the spiritual condition of the Jewish people .
If necessary , Messiah ben Joseph will wage war against the evil forces and die in combat with the enemies of God and Israel .
According to Saadia Gaon the need for Messiah ben Joseph 's appearance will depend on the spiritual condition of the Jewish people .
If necessary , Messiah ben Joseph will wage war against the evil forces and die in combat with the enemies of God and Israel .