This is an undeniable fact: movement is impossible. Achilles’ effort could hardly catch up to the tortoise’s advantage; the arrow must run through infinite points within a finite time.
This is another undeniable fact: the world moves. Despite the illusions of Plato, Achilles, and the tortoise, eyes that look at those eyes will have died when they close their lids. This window, this lamp, that highway to the South that I remember now will be another lamp, another window, another highway.