Humans are empty states.
Humans are liquid states. You read this text 3 seconds ago, the tiny cells in your body changed their position. Blood has moved. We, you breathed in and expanded the chest, allowed more blood to go through. Dna, the code of cells, changes in accordance to constant development of a thought. One thought can change the entire course of dna, both personally and historically. 

Development of thoughts influences the development of not only human emotion and its depth but also reveals infinite possibilities of human potential, inner world depth. Hundred years ago we would not have had these thoughts. 

People leave dna all over the place. The whole world is a left over perception of our previous generations. We walk streets where hundred thousand years ago events happened. We actually get in touch with their left over dna as we walk. Perception of every single human being living yesterday today and tomorrow is what the world was, is and will be.

The world around is a pattern of human causality, just like Black Square of Malewicz: a very alive and vibrant place, living, breathing organism. Humans did leave behind created behavioral system. Some was made out of survival instinct, some out of experimental or well thought of deeds. It starts with realizing the incredible role one has as a biological being. It starts with understanding, reflecting and relating. We may not have a well-remembered beginning, both as each individual and a human kind, but we all have the same formation - Universe and human brain. Isn’t it fantastic that we are growing to understand human being on its most raw level of neuroscience? Can you imagine Sartre's brain? How does his mind work? How do thoughts appear in his brain?  

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World is built from thoughts. Thoughts are built  from perception. Can we see the world through the eyes of a matter, sand, for example? It went from the state of mountains, cliffs, rocks, stones to that on its own or shored with water, to becoming ... That is when humans drew first letters, numbers and sundials on sand, than turned sand into blocks to build houses and make glass, mirrors with. Eventually, sand became a concept, a phrase that means Sacred Knowledge for it takes its roots from the beginning of Times. 
Can you imagine what it is like to be sand? Can you travel in your mind through all the centuries being sand?