Full Idea
A short time ago or a short time ahead we might put at ten days, but how can anything which does not exist be either long or short?
Gist of Idea
How can ten days ahead be a short time, if it doesn't exist?
Source
Augustine (Confessions [c.398], XI.15)
Book Reference
Augustine: 'Confessions', ed/tr. Pine-Coffin,R.S. [Penguin 1961], p.264
A Reaction
A nice question, which gets at the paradoxical nature of time very nicely. How can it be long, but non-existent? We could break the paradox by concluding '..and therefore time does exist', even though we can't see how.