Unsere Zivilisation ist durch das Wort Fortschritt charakterisiert. Der Fortschritt ist ihre Form nicht eine ihrer Eigenschaften daß sie fortschriete… - Ludwig Wittgenstein

The more closely we examine actual language, the greater becomes the conflict between it and our requirement. The conflict becomes intolerable; the requirement is now in danger of becoming vacuous. — We have got on to slippery ice where there is no friction, and so, in a certain sense, the conditions are ideal; but also, just because of that, we are unable to walk. We want to walk: so we need friction. Back to the rough ground!

The proposition constructs a world with the help of a logical scaffolding, and therefore one can actually see in the proposition all the logical features possessed by reality if it is true. One can draw conclusions from a false proposition

The basic evil of Russell's logic, as also of mine in the Tractatus, is that what a proposition is is illustrated by a few commonplace examples, and then presupposed as understood in full generality.