Only let's cut out the transcendental twaddle when the whole thing is as plain as a sock on the jaw.

The philosophical I is not the human being, not the human body or the human soul with the psychological properties, but the metaphysical subject, the boundary (not a part) of the world.

Philosophy, as we use the word, is a fight against the fascination which forms of expression exert upon us.

Don't ask what it means, but rather how it is used.

Telling someone something he does not understand is pointless, even if you add that he will not be able to understand it.

Language disguises the thought; so that from the external form of the clothes one cannot infer the form of the thought they clothe, because the external form of the clothes is constructed with quite another object than to let the form of the body be recognized.

Mathematics 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.