Full Idea
Thought is an activity which we perform by the expression of it, and lasts as long as the expression.
Gist of Idea
Thought is an activity which we perform by the expression of it
Source
Ludwig Wittgenstein (Lectures 1930-32 (student notes) [1931], B VIII)
Book Reference
Wittgenstein,Ludwig: 'Lectures in Cambridge 1930-32', ed/tr. Lee,Desmond [Blackwell 1980], p.42
A Reaction
I take this to be an outmoded view of thought, which modern cognitive science has undermined, by showing how little of our thinking is actually conscious.