I have been in a few arguments with theists where they have claimed that God exists outside of time. This has occurred in debates where I point out that for God to know the future with 100% certainty the future must be predetermined and we must lack free will. The theist then responds that God doesn't predict things because he is outside of time and experiences all things that could possibly happen at the same time as they happen. This claim is also used to counter the argument that God does not lead to an infinite regress because he exists outside of time and so never had a starting point.
What is the best counterargument that you have used against such a claim?
!["The so-called 'psychotically depressed' person..." - David Foster Wallace [2197x1463]](http://fc00.deviantart.net/fs71/f/2013/299/6/a/suffering_4_by_keyhouseletters-d6rwh3i.jpg)
!["While on a journey, Chuang Tzu found an old skull..." - The Matrix: The Path of Neo [1536x1990]](http://fc09.deviantart.net/fs71/f/2013/297/d/6/suffering3_by_keyhouseletters-d6rppv8.jpg)
!["Your God must once have stood..." - Cormac McCarthy (The Sunset Limited) [1201x768]](http://fc06.deviantart.net/fs71/f/2013/295/8/5/suffering2_by_keyhouseletters-d6rhqoy.jpg)
!["The more knowledge we acquire, the more we must regret..." - Benjamin Cain (Rants Within the Undead God)[1202X636]](http://fc01.deviantart.net/fs71/f/2013/294/e/5/suffering_by_keyhouseletters-d6rbv9k.jpg)
!["Here is a list of fearful things..."-Clive Barker/ Zen Pencils [980X2140]](http://maxcdn.zenpencils.com/comics/2012-08-23-barkernew.jpg)