Mark 7:21-22
For from within, out of the heart of men, come forth evil thoughts, fornications,
Matthew 10:33
But whoever shall deny me before men, him will I also deny before my Father who is in heaven.
Matthew 12:34-36
How can ye, evil as ye are, speak good things? For out of the abundance of the heart the mouth speaketh.
Acts 5:3-4
But Peter said, Ananias, why did Satan fill thy heart that thou shouldst lie to the Holy Spirit, and keep back part of the price of the land?
Romans 3:10-18
As it is written: "There is none righteous, no, not one;
Titus 1:16
They profess that they know God, but by their works they deny him, being abominable and disobedient, and for every good work reprobate.
Hebrews 3:12
Take heed, brethren, lest there be in any one of you an evil heart of unbelief, in departing from the living God.
James 1:15
then lust, having conceived, bringeth forth sin, and sin, when completed, bringeth forth death.
James 3:6
And the tongue is a fire, a world of iniquity! The tongue among our members is that which defileth the whole body, and setteth on fire the wheel of life, and is itself set on fire by hell.