  Time cannot be so backgrounded. The thesis that time could pass without change in anything at all has proved controversial, and we have adopted the usage that change in a thing implies the passage of time. Aristotle nonetheless argued that change is distinct from time because change occurs at different rates, whereas time does not (Physics IV,10). This essay focusses on the topic of change, while not denying that the topic of time is inseparable from it. Motion, as change in place, will figure prominently in our discussion.