Mark 7:21-23
For from within, out of men's hearts, their evil purposes proceed--fornication, theft, murder, adultery,
Hebrews 3:12-13
see to it, brethren, that there is never in any one of you--as perhaps there may be--a sinful and unbelieving heart, manifesting itself in revolt from the ever-living God.
Hebrews 10:38
But it is by faith that My righteous servant shall live; and if he shrinks back, My soul takes no pleasure in him."
James 1:14-15
But when a man is tempted, it is his own passions that carry him away and serve as a bait.
Jude 1:19
These are those who cause divisions. They are men of the world, wholly unspiritual.