10 Bible Verses about Hardness

Thou, therefore, work hard as a good soldier of Jesus Christ.

He said unto them, Moses, because of the hardness of your hearts, suffered you to put away your wives, but from the beginning it was not so.

having the understanding darkened, being alienated from the life of God through the ignorance that is in them because of the blindness of their heart,

whose arrows are sharp, and all their bows bent; their horses' hoofs shall be counted like flint, and the wheels of their chariots like a whirlwind;

As diamond harder than flint I have made thy forehead: do not fear them, neither be dismayed at their looks, though they are a rebellious house.

His heart is as firm as a stone; as hard as a piece of the lower millstone.

Yea, they made their hearts as an adamant stone lest they should hear the law and the words which the LORD of the hosts has sent by his Spirit by the hand of the former prophets; therefore came great wrath from the LORD of the hosts.

And I will give you a new heart, and a new spirit will I put within you; and I will take away the stony heart out of your flesh, and I will give you a heart of flesh.

and wherever he takes him, he tears him, and he foams and gnashes with his teeth and pines away; and I spoke to thy disciples that they should cast him out, and they could not.