Full Idea
We still do not know how to give a direct semantics for the quantifiers of a natural language; that is something that we still do not know how to do (or at least how it is done remains controversial).
Gist of Idea
We still lack an agreed semantics for quantifiers in natural language
Source
Robert C. Stalnaker (Mere Possibilities [2012], 4)
Book Reference
Stalnaker,Robert C.: 'Mere Possibilities' [Princeton 2012], p.91
A Reaction
I am struck by how rapidly the domain of quantification changes, even in mid-sentence, in the course of an ordinary conversation. This is decided almost entirely by context, not by pure ('direct'?) semantics.