Can John F. MacArthur - or any other Calvinist - please differentiate between (or what constitutes the difference between) those who were truly never saved, and those who are saved, but are now living "out of fellowship" with Christ? I have read in the MacArthur Bible where he seems to boil it down to... by their fruits shall ye know them. But how much bad fruit or lack of good fruit does one have to show to give evidence that they were never saved, or that they are still saved, but have merely fallen out of fellowship with Christ? Example:...