Full Idea
The chief problem for fideists is other fideists who hold contrary ideas.
Clarification
'Fideism' is basing belief mostly on faith
Gist of Idea
The chief problem for fideists is other fideists who hold contrary ideas
Source
Paul O'Grady (Relativism [2002], Ch.4)
Book Reference
O'Grady,Paul: 'Relativism' [Acumen 2002], p.111
A Reaction
The other problem is trying to find grounds for sticking to the object of one's faith, rather than changing from time to time.