All philosophy is a 'critique of language' (though not in Mauthner's sense). It was Russell who performed the service of showing that the apparent logical form of a proposition need not be its real one.

Concerning that which cannot be talked about, we should not say anything.

One is unable to notice something because it is always before one's eyes.

That the world is, is the mystical.

It is so characteristic, that just when the mechanics of reproduction are so vastly improved, there are fewer and fewer people who know how the music should be played.

Don't for heaven's sake, be afraid of talking nonsense! But you must pay attention to your nonsense.

To think that you are not following a rule is to follow a rule.