Who said "The work of philosophy is done in the silence of the mind."?

This quote is attributed to Wittgenstein, Ludwig.

The work of philosophy is done in the silence of the mind. - Wittgenstein, Ludwig

"The work of philosophy is done in the silence of the mind."

Wittgenstein, Ludwig Solitude

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."

"Sometimes being the best means being the loneliest."

"Solitude gives us time to reflect on what matters"

"I'm not good with people, never have been."

"I feel like I'm disappearing."