Full Idea
At some point a good account of conceptual mastery must tie the mastery to abilities and relations that do not require conceptualization by the thinker.
Gist of Idea
An analysis of concepts must link them to something unconceptualized
Source
Christopher Peacocke (A Study of Concepts [1992], 5.3)
Book Reference
Peacocke,Christopher: 'A Study of Concepts' [MIT 1999], p.135
A Reaction
This obviously implies a physicalist commitment. Peacocke seeks, as so many do these days in philosophy of maths, to combine this commitment with some sort of Fregean "platonism without tears" (p.101). I don't buy it.