What Stirner proposes is not that concepts should rule people, but that people should rule concepts. The "nothingness" of all truth is rooted in the "nothingness" of the self because the ego is the criterion of (dogmatic) truth. Again, Stirner seems closely comparable to the skeptics in that his radical epistemology directs us to emphasise empirical experience (the "unmediated" relationship of mind as world and world as mind), but it leaves only a very limited validity to the category of "truth". When we regard the impressions of the senses with detachment, simply for what they are (e.g. neither good nor evil), we may still correctly assign truth to them: