As Christian counselors, pastors and people helpers we often have a hard time discerning between an evil heart and an ordinary sinner who messes up, who isn’t perfect, and full of weakness and sin.
I think one of the reasons we don’t “see” evil is because we find it so difficult to believe that evil individuals actually exist. We can’t imagine someone deceiving us with no conscience, hurting others with no remorse, spinning outrageous fabrications to ruin someone’s reputation, or pretending he or she is spiritually committed yet has no fear of God before his or her eyes.
The Bible clearly tells us that among God’s people there are wolves that wear sheep’s clothing (Jeremiah 23:14; Titus 1:10; Revelations 2:2). It’s true that every human heart is inclined toward sin (Romans 3:23), and that includes evil (Genesis 8:21; James 1:4). We all miss God’ mark of moral perfection. However, most ordinary sinners do not happily indulge evil urges, nor do we feel good about having them. We feel ashamed and guilty, rightly so (Romans 7:19–21). These things are not true of the evil heart.
Below are five indicators that you may be dealing with an evil heart rather than an ordinary sinful heart. If so, it requires a radically different treatment approach.

1. Evil hearts are experts at creating confusion and contention.
They twist the facts, mislead, lie, avoid taking responsibility, deny reality, make up stories, and withhold information.

2. Evil hearts are experts at fooling others with their smooth speech and flattering words.
But if you look at the fruit of their lives or the follow through of their words, you will find no real evidence of godly growth or change. It’s all smoke and mirrors.

3. Evil hearts crave and demand control, and their highest authority is their own self-reference.
They reject feedback, real accountability, and make up their own rules to live by. They use Scripture to their own advantage but ignore and reject passages that might require self-correction and repentance.

Continue to read the remaining Indications here :- http://www.muyilight.com/search/label/The%20Secrets
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Just look at the parents... A good tree, does not bear forth a bad fruit... Jesus Christ, came from the roots of David... Neither does a bad tree, bear forth a good fruit...