Most probably we should. It is the most obvious answer. However we have not as yet managed to understand what matter is and how weird the sub-atomic world is. A

Most probably we should. It is the most obvious answer. However we have not as yet managed to understand what matter is and how weird the sub-atomic world is. At a point causality seems to disappear and the world as we know it needs a transformation in order to explain this sub-atomic world.