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.
Ludwig WittgensteinWe find certains things about seeing puzzling, because we do not find the whole business of seeing puzzling enough.
Ludwig WittgensteinMathematics is a logical method. . . . Mathematical propositions express no thoughts. In life it is never a mathematical proposition which we need, but we use mathematical propositions only in order to infer from propositions which do not belong to mathematics to others which equally do not belong to mathematics.
Ludwig Wittgenstein