About what one can not speak, one must remain silent.
"Tractatus Logico-Philosophicus". Book by Ludwig Wittgenstein, 1922.
![About what one can not speak, one must remain silent.](http://cdn.quoteddaily.com/images/ludwig-wittgenstein/about-what-one-can-not-speak-one-must-remain-silent.jpg)
About what one can not speak, one must remain silent.