Full Idea
Time does not exist without change.
Gist of Idea
Time does not exist without change
Source
Aristotle (Physics [c.337 BCE], 218b32)
Book Reference
Aristotle: 'Physics', ed/tr. Waterfield,Robin [OUP 1996], p.105
A Reaction
His reasons are epistemological, and are nicely attacked by Shoemaker, in 'Time without Change'. There is something intuitively wrong about Aristotle's claim. If reality freezes, then 'how long was it frozen?' is a quite reasonable question.