Full Idea
I don't know how concepts are acquired. Nor do you. Nor does anybody else.
Gist of Idea
Nobody knows how concepts are acquired
Source
Jerry A. Fodor (LOT 2 [2008], Ch.5.4)
Book Reference
Fodor,Jerry A.: 'LOT 2: the Language of Thought Revisited' [OUP 2008], p.146
A Reaction
This comes in the context of quietly modifying his earlier claim that concepts weren't acquired, because they were largely innate. Presumably we are allowed to have theories of concept acquisition? I quite like abstractionism.