Full Idea
Against Kant we can still object, even if we accept all his propositions, that it is still possible that the world is as it appears to us.
Gist of Idea
It always remains possible that the world just is the way it appears
Source
Friedrich Nietzsche (Unpublished Notebooks 1872-74 [1873], 19 [125])
Book Reference
Nietzsche,Friedrich: 'Unpublished of 'Unfashionable Obs' period (v 11)', ed/tr. Gray,Richard T. [Stanford 1995], p.42
A Reaction
This little thought at least seems to be enough to block the slide from phenomenalism into total idealism. The idea that direct realism can never be ruled out, even if it is false, is very striking.