10 Bible Verses about Hardness

You therefore must endure hardship, as a good soldier of Christ Jesus.

He said to them, "Moses, because of the hardness of your hearts, allowed you to divorce your wives, but from the beginning it has not been so.

being darkened in their understanding, alienated from the life of God, because of the ignorance that is in them, because of the hardening of their hearts;

whose arrows are sharp, and all their bows bent. Their horses' hoofs will be like flint, and their wheels like a whirlwind.

As an adamant harder than flint have I made your forehead: don't be afraid of them, neither be dismayed at their looks, though they are a rebellious house.

His heart is as firm as a stone, yes, firm as the lower millstone.

Yes, they made their hearts as hard as flint, lest they might hear the law, and the words which Yahweh of Armies had sent by his Spirit by the former prophets. Therefore great wrath came from Yahweh of Armies.

I will also give you a new heart, and I will put a new spirit 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 it seizes him, it throws him down, and he foams at the mouth, and grinds his teeth, and wastes away. I asked your disciples to cast it out, and they weren't able."