Here is an article I read a little while back, it helps in discerning others, and also very good for self-examination.

http://www.gracegems.org/28/alarm_to...converted5.htm

http://www.gracegems.org has tons of books and articles by puritans and the like for free too, check them out if ya like!

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Asa Julian Myspace Blog
Grace Bible Church

Sometimes, when I see some of the worst characters in the street, I feel as if my heart must burst forth in tears of gratitude that God has never let me act as they have done! I have thought, "If God had left me alone, and had not touched me by His grace, what a great sinner I would have been!" - Charles Spurgeon