Mark 7:21-22
for from the inside, that is, from the hearts of men, designs for doing evil come, sexual immorality, stealing, murder,
Matthew 10:33
but anyone who disowns me before men I will disown before my Father in heaven.
Matthew 12:34-36
You brood of vipers! How can you, wicked as you are, say anything that is good? For the mouth talks about the things that fill the heart.
Acts 5:3-4
And Peter said, "Ananias, why has Satan so completely possessed your heart that you have lied to the Holy Spirit and kept back for yourselves a part of the money received for the land?
Romans 3:10-18
as the Scriptures say: "Not a single human creature is upright,
Titus 1:16
They profess to know God, but by their actions they disown Him; they are detestable, disobedient, and useless for anything good.
Hebrews 3:12
See to it, my brothers, that no wicked, unbelieving heart is found in any of you, as shown by your turning away from the ever-living God,
James 1:15
Then evil desire conceives and gives birth to sin, and when sin is completed, it brings forth death.
James 3:6
And the tongue is a fire, and takes its place among the parts of our bodies as a world of evil; it soils the whole body and sets on fire the circle of man's nature, and itself is set on fire by hell.