If needed Messiah ben Joseph will rectify the conditions of the nations .
After going over this sequence of events Saadia Gaon states that Messiah ben Joseph will only need to appear if Israel does not repent .
If needed Messiah ben Messiah will rectify the conditions of the nations .
After going over this sequence of events Saadia Gaon states that Messiah ben Joseph will only need to appear if Israel does not repent .