Full Idea
Although we speak of thinking in French, we never talk of knowing or believing or opining in French.
Gist of Idea
We may think in French, but we don't know or believe in French
Source
Gilbert Ryle (Are there propositions? [1930], 'Substitute')
Book Reference
Ryle,Gilbert: 'Collected Essays 2 1929-1968' [Routledge 2009], p.33
A Reaction
Once again Ryle is playing devil's advocate, but he does it rather well, and offers good support for my belief in propositions. I love this. 'I know, in French, a bank where the wild thyme blows'.