Full Idea
When we say 'it is day' or 'it is the games', one thing after another is always coming into existence. …There are Olympic Games, both in the sense that they may occur and that they are actually occurring.
Gist of Idea
A day, or the games, has one thing after another, actually and potentially occurring
Source
Aristotle (Physics [c.337 BCE], 206a22)
Book Reference
Aristotle: 'The Basic Works of Aristotle', ed/tr. McKeon,Richard [Modern Library Classics 2001], p.265
A Reaction
This is, according the Pasnau, the origin of the scholastic concept of an 'entia successiva'. I haven't seen much discussion of this in modern metaphysics, but in what sense does a day exist?