They are indeed beautiful and highly apposite words by St Augustine that still ring true 1600 years later.
For what its worth I have attempted to use those words numerous times with creationists, but remarkably not one of them seems to have the slightest interest in the thoughts of one of the fathers of the church on the issue.
I find it amazing that the creationists have such little interest in the words of St. Augustine....I was just struck as to how timely and appropriate and beautiful the words were....
Words do mean things, in the case of this quote, you are indeed so right, the words still ring very true after so many years...