Full Idea
One can mistrust one's own senses, but not one's own beliefs.
Gist of Idea
One can mistrust one's own senses, but not one's own beliefs
Source
Ludwig Wittgenstein (Philosophical Investigations [1952], II.x)
Book Reference
Wittgenstein,Ludwig: 'Philosophical Investigations', ed/tr. Anscombe,E. [Blackwell 1972], p.190
A Reaction
This seems right, because we don't choose our beliefs. We don't even choose whether to believe a sensation - we just focus harder until belief does or doesn't occur.