Full Idea
The underlying truth-conditional structures of thoughts are language-dependent in the sense that underlying predicates represent words in the language rather than universal concepts common to all languages.
Gist of Idea
Our underlying predicates represent words in the language, not universal concepts
Source
Gilbert Harman (Thought [1973], 6.3)
Book Reference
Harman,Gilbert: 'Thought' [Princeton 1977], p.92