Full Idea
Time may be defined as the possibility of mutually exclusive conditions of the same thing.
Gist of Idea
Time may be defined as the possibility of mutually exclusive conditions of the same thing
Source
Arthur Schopenhauer (Abstract of 'The Fourfold Root' [1813], Ch.IV)
Book Reference
Schopenhauer,Arthur: 'The World as Will and Idea', ed/tr. Berman,Jill and David [Everyman 1995], p.270
A Reaction
An off-beat philosophical view of the question. Sounds more like a consequence of time than its essential nature.