Ludwig Wittgenstein

"The eye that sees the world is itself invisible."

"To understand a sentence means to understand a language."

"One of the most important things philosophy does is to break the spell cast by words on us."

"What is it to be in a state of mind?"

"In order to tell if a rope is too long or too short one must look at both ends."

"Art has no function except in making us happy."

"Whereof we speak, thereof we must think."

"The limits of language mark the limits of our world."

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

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

"A picture held us captive. And we could not get outside it."

"The world is everything that is the case."

"How hard I find it to see what is right in front of my eyes."

"If I have exhausted the justifications I have reached bedrock, and my spade is turned."

"Philosophical problems arise when language goes on holiday."

"The meaning of a word is its use in the language."

"Don't think, look! The answer lies in how we live."

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

"To imagine a language means to imagine a form of life."

"The solution of the problem of life is seen in the vanishing of the problem."

"Genius is talent exercised with courage."

"A man will be imprisoned in a room with an open door."

"The work of art is the object seen sub specie aeternitatis."

"Not how the world is, but that it is, is the mystery."

"Logic must take care of itself."

"The facts all contribute to only one end: the compulsion to construct."

"Death is not an event in life; we do not live to experience death."

"Tractatus Logico-Philosophicus"

"In order to draw a limit to thinking, we should have to think both sides of this limit."

"A good picture is worth a thousand words, but a good word is worth a thousand pictures."