As early man the world as a cave (person.jean-gebser).
Then in the copernican revolution the world as centerless and infinite
Today as authors of pyschological spheres (cognitive-spheres) We are therefore "of" the world, but not "in" it, because "being-in" is a mental construct. continuity
No one can step into the same river twice, for everything flows and nothing remains. – Heraclitus