In terms of ultimate "Truth," what we call "fact" is actually completely subjective. Yes, it is indeed useful within the sphere of our everyday, Relative experience of things, but Ultimate Truth lies beyond the mind that is bound by conceptual constructs. Concepts are mental creations based on our highly idiosyncratic ways of perceiving, labeling, and projecting meaning AT the phenomena that we perceive.. If you're inclined, turn your attention 180 degrees inward and watch your thoughts and conceptual constructs. Exactly where do they come from..? ...and where do they go?