Full Idea
We must find a reason for supposing most of our beliefs are true that is not a form of evidence.
Gist of Idea
Reasons for beliefs are not the same as evidence
Source
Donald Davidson (Coherence Theory of Truth and Knowledge [1983], p.158)
Book Reference
'Epistemology - An Anthology', ed/tr. Sosa,E. /Kim,J. [Blackwell 2000], p.158
A Reaction
This simple observation strikes me as being a key truth in epistemology. It is the same confusion that creates Jackson's Knowledge Argument (Idea 7377) against physicalism (that experiencing red can be thought to be knowledge).
Related Idea
Idea 7377 Mary learns when she sees colour, so her complete physical information had missed something [Jackson]