Full Idea
Empiricism operates without knowing that it contains a metaphysics and is engaged in it, and that it is using categories and their connections in a totally uncritical and unconscious manner.
Gist of Idea
Empiricism unknowingly contains and uses a metaphysic, which underlies its categories
Source
Georg W.F.Hegel (Logic (Encyclopedia I) [1817], §38 Rem)
Book Reference
Hegel,Georg W.F.: 'The Hegel Reader', ed/tr. Houlgate,Stephen [Blackwell 1998], p.151
A Reaction
I doubt whether this is true of modern empiricists, who have been challenged so often from within their own ranks on so many things. I'm not even sure that it is true of Locke and Hume, apart from the way in which all philosophers are unaware of things.