Full Idea
That there are ambiguities in English is the classic reason for claiming that we don't think in English.
Gist of Idea
Ambiguities in English are the classic reason for claiming that we don't think in English
Source
Jerry A. Fodor (LOT 2 [2008], Ch.3.5)
Book Reference
Fodor,Jerry A.: 'LOT 2: the Language of Thought Revisited' [OUP 2008], p.73
A Reaction
I have always been impressed by this simple observation, which is my main reason for believing in propositions (as brain events). 'Propositions' may just be useful chunks of mentalese.