Ludwig Wittgenstein is, with Heidegger, responsible for the realization that the search for foundations (metaphysics) is misguided.
Ludwig Wittgenstein is the first really independent thinker to engage in the union of logic and empiricism.
Ludwig Wittgenstein , lacking any notion of contradiction, evacuated time from language, and thereby converted it into an ahistorical absolute.
Ludwig Wittgenstein's notion that all language-games can find their warrant in culturally variable 'forms of life', was inevitably to afford a franchise for intellectual relativism.
Ludwig Wittgenstein's basic program has to be rejected. Philosophy cannot be content to leave everything as it is ,for linguistic practice is not immune to, and may well stand in need of, revision.
Ludwig Wittgenstein is basically unscientific, for he rejected generalization. Scientific questions were of no great interest to him; they merely addressed the working of the natural world while he was interested in the way in which language may shape our reality.
Ludwig Wittgenstein is most similar to Pascal and Tolstoy among great men because he too could play with metaphysical intricacies as cleverly as Pascal with Hexagons or Tolstoy with emperors, but he too threw away this talent and debased himself before the peasants — in each case from an impulse of pride.