Mark 7:21-22 21 For from within, out of men's hearts, come evil thoughts, sexual immorality, theft, murder, adultery, 22 greed, malice, deceit, lewdness, envy, slander, arrogance and folly. (NIV)
"The human heart is heretical by nature. Popular religious beliefs should be checked carefully against the Word of God, for they are almost certain to be wrong." -- A. W. Tozer