Every thought is somehow "from scratch".
In the sense that memory is really re-living an event, literally creating a forgery of an original event.
Thought is constructed "anew" each time. Every axiom is relived every time. There is no real axiom.
Reality is just folds in sheets and every time we add extra meaning to that reality we are pulling the folds up in the sheets again and making mountains out of them.
(an example of "extra meaning" is good and evil)
I don't mean any of this to ...