Full Idea
I once heard a learned man say that time is nothing but the movement of the sun and the moon and the stars, but I do not agree.
Gist of Idea
I disagree with the idea that time is nothing but cosmic movement
Source
Augustine (Confessions [c.398], XI.22)
Book Reference
Augustine: 'Confessions', ed/tr. Pine-Coffin,R.S. [Penguin 1961], p.271
A Reaction
It is tempting to say that you either take time or movement as axiomatic, and describe one in terms of the other, but you are stuck unable to give the initial statement of the axiom without mentioning the second property you were saving for later.