Full Idea
Although empiricism as a philosophy does not appear to be tenable, there is an empirical manner of investigating, which should be applied in every subject-matter
Gist of Idea
Full empiricism is not tenable, but empirical investigation is always essential
Source
Bertrand Russell (Meinong on Complexes and Assumptions [1904], p.22)
Book Reference
Russell,Bertrand: 'Essays in Analysis', ed/tr. Lackey,Douglas [George Braziller 1973], p.22
A Reaction
Given that early Russell loads his ontology with properties and propositions, this should come as no surprise, even if J.S. Mill was his godfather.