So it is not the case that before I tanned Socrates was something. So it is not the case that before I tanned Socrates was nothing. Therefore, Socrates did not change during I . But this is a perfectly general argument that can be applied to any putative change. Therefore, there is no genuine change in the world.
All apparent change is an illusion, a mere appearance.
Stay tuned for Zeno. But, of course, there is something. Therefore, there is just one basic entity. We can take the first argument to be directed against the claim that there is real motion or change in the world and that space and time are dense. But it is impossible to complete the task of touching infinitely many points, ordered one after another.