6 Bible Verses about Heart, Of Unregenerate People

So I was indignant with that generation, and I said, 'Their hearts are always going astray, and they have never come to know my ways.'

but I am sure that you do not have the love of God in your hearts.

You have no share or part in this matter, for your heart is not sincere in the sight of God. So repent of this wickedness of yours, and pray to the Lord, to see if this thought of your heart may be forgiven you.

conscienceless, treacherous, with no human love or pity.

Because one's thinking the things suggested by the lower nature means enmity to God, for it does not subject itself to God's law, nor indeed can it.

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,