Bible Verses About Character of the Unrenewed Heart: Hard

But the house of Israel will not hearken unto thee; for they will not hearken unto me: for all the house of Israel are impudent and hardhearted.

And Jesus answered and said unto them, For the hardness of your heart he wrote you this precept.

But after thy hardness and impenitent heart treasurest up unto thyself wrath against the day of wrath and revelation of the righteous judgment of God;