|Tractatus Logico-Philosophicus by Ludwig Wittgenstein + comments by Maarten Maartensz|
3.1 In a proposition a thought finds an expression that can be perceived by the senses.
Either this is trivial ("sentences express
thoughts") or false ("thoughts can be perceived when expressed as
sentences"). W. probably meant the latter. This is false or at least quite
misleadingly expressed as one sees from any sentence in a language one doesn't