The world is the totality of facts, not of things
The common behavior of mankind is the system of reference by means of which we interpret an unknown language.
Proof, one might say, does not merely shew that it is like this, but: how it is like this. It shows how 13+14 yield 27.
At the core of all well-founded belief lies belief that is unfounded.
A philosophical problem has the form: I don't know my way about.
I think I summed up my attitude to philosophy when I said: philosophy ought really to be written only as a poetic composition.