Space and time are mystically related. It was an arduous effort to make a coherent philosophy out of it, but the assertiveness it awakened in our breast alone made it worthwhile. We have to avoid wasting our mental resources on terms that have no content, he says. I agree. The challenge of our lives clearly is existing on the border between what we know to be logical and what we can only surmise exists in reality. Schopenhauer is a good aid here.