Full Idea
It is by the study of the character of predication that we shall come to understand the essential nature of universals.
Gist of Idea
We can understand universals by studying predication
Source
Michael Dummett (Frege Philosophy of Language (2nd ed) [1973], Ch.14)
Book Reference
Dummett,Michael: 'Frege Philosophy of Language' [Duckworth 1981], p.472
A Reaction
I haven't founded a clearer manifesto for linguistic philosophy than that! Personally I find it highly dubious, given the shifting nature of linguistic forms, and the enormous variation between remote languages.