Can an existing thing become non-existent or a non-existing...

Can an existing thing become non-existent or a non-existing thing become existent? Is the restoration of a non-existing thing possible or impossible? Is the exact re-creation of the world and history in all their details possible even after billions of years (Theory of recurring in Cycles?) Is unity preponderant or multiplicity? Is the world divided into material and non-material, and is the material world a small part of the entire world?

Is the world rightly guided and perceptive or is it imperceptible and blind? Are man and the world in…