@kristina_stellar What is reality, physical perception as thoughts, visual ideas or hearing mind, all is real. Philosophic its a term mistakenly elaborated. Since science has proven the ideas, imagination and all of that called abstract turn out to be the outcomes of a brain, a physical organ with neurons and synapses interplaying across polar solutions like phosphorus, electrolites, tripping as fussing our thoughts. At cosmic level even dark energy involves quaint energy expanding universe...