Full Idea
If we want an agent to believe as many truths as possible, this could be achieved by simply believing everything; if we want an agent to have only true beliefs, this could be achieved by believing nothing.
Gist of Idea
To believe maximum truths, believe everything; to have infallible beliefs, believe nothing
Source
J Pollock / J Cruz (Contemporary theories of Knowledge (2nd) [1999], §6.6)
Book Reference
Pollock,J.L./Cruz,J: 'Contemporary Theories of Knowledge (2nd)' [Rowman and Littlefield 1999], p.176
A Reaction
I like this. It highlights the pragmatic need for a middle road, in which a core set of beliefs are going to be approved of as 'knowledge', so that we can get on with life. This has to be a social matter, and needs flexibility of Fallibilism.