Looking for source for quote from Christian author Some years ago I read in a book about Christianity an attempt to explain the apparent paradox between predestination and free will.

I have forgotten the name of the book and its author (it could be C.S. Lewis, but I am far from certain).

The explanation (if that is the correct word) went something like this:


  Events that happened yesterday cannot be changed. The actions we took then cannot be altered. Nevertheless, the choices we made then were made out of our own free will.
  
  We see no conflict between unalterable actions and free will when we look into the past. Why, then, should there be a conflict when we look into the future? God, presumably, is outside time.


This is by no means a verbatim quote. No doubt, it has changed in my mind over the years.

Can anybody tell me where I may have read that explanation?
The quote is from C.S.Lewis in "Mere christianity", book 4, chapter 3 "Time And Beyond Time".