Elementary propositions consist of names.

Every sign by itself seems dead. What gives it life?--In use it is alive. Is life breathed into it there?--Or is the use its life?

I might say: if the place I want to get to could only be reached by way of a ladder, I would give up trying to get there. For the place I really have to get to is a place I must already be at now. Anything that I might reach by climbing a ladder does not interest me.

The philosopher is not a citizen of any community of ideas, that is what makes him a philosopher.

If in life we are surrounded by death, so too in the health of our intellect by madness.

The world is everything that is the case.

This procedure [selecting the simplest law], however, has no logical justification but only a psychological one.