Who said "What we cannot speak about we must pass over in silence."?

This quote is attributed to Wittgenstein, Ludwig.

What we cannot speak about we must pass over in silence. - Wittgenstein, Ludwig

"What we cannot speak about we must pass over in silence."

Wittgenstein, Ludwig

Philosopher Austrian-British 1889–1951

"Whereof one cannot speak, thereof one must be silent."

"The limits of my language mean the limits of my world."

"A picture held us captive. And we could not get outside it, for it lay in our language and language seemed to repeat it to us inexorably."

"The world is everything that is the case."