Full Idea
Coherence involves the logical, explanatory and probabilistic relations among one's beliefs, but it could not do to attain a tightly iterrelated system by lopping off whatever beliefs refuse to fit.
Gist of Idea
We can't attain a coherent system by lopping off any beliefs that won't fit
Source
Ernest Sosa (Beyond internal Foundations to external Virtues [2003], 6.4)
Book Reference
Bonjour,L/Sosa,E: 'Epistemic Justification' [Blackwells 2003], p.111
A Reaction
This is clearly right, so the coherentist has to distinguish between lopping off a belief because it is inconvenient (fundamentalists rejecting textual contradictions), and lopping it off because it is wrong (chemists rejecting phlogiston).