Full Idea
There are so many properties that those specifiable in English, or in the brain's language of synaptic interconnections and neural spikes, could only be an infinitesimal minority.
Gist of Idea
There are far more properties than any brain could ever encodify
Source
David Lewis (New work for a theory of universals [1983], 'Un and Prop')
Book Reference
'Properties', ed/tr. Mellor,D.H. /Oliver,A [OUP 1997], p.192
A Reaction
Thus there are innumerable properties that must lack predicates. But there are also innumerable predicates that correspond to no real properties. I conclude that properties and predicates have very little in common. Job done.