There are no subjects in the world. A subject is a limitation of the world. - Ludwig Wittgenstein

Giving grounds, however, justifying the evidence, comes to an end; but the end is not certain propositions striking us immediately as true i.e. It is not a kind of seeing on our part; it is our acting which lies at the bottom of the language game.

What is the case, the fact, is the existence of atomic facts. (2)

You could attach prices to ideas. Some cost a lot some little. ... And how do you pay for ideas? I believe: with courage.