None has wandered so far that he cannot come back. Think of the earliest believers a thief, a 'woman that was a sinner, this Mary, a Zacchaus, a persecuting Paul, a rude, rough jailer, etc. Remember Paul's description of a class of the Corinthian saints 'such were some of you. As long as man is man, so long is God ready to receive him back. There is no place where sun does not shine.