⁸ Harden not your hearts, as in the provocation, in the day of temptation in the wilderness:

¹⁴ Happy is the man that feareth alway: but he that hardeneth his heart shall fall into mischief.

⁷ And he called the name of the place Massah, and Meribah, because of the chiding of the children of Israel, and because they tempted the Lord, saying, Is the Lord among us, or not?

¹¹ But they refused to hearken, and pulled away the shoulder, and stopped their ears, that they should not hear.

¹² Yea, they made their hearts as an adamant stone, lest they should hear the law, and the words which the Lord of hosts hath sent in his spirit by the former prophets: therefore came a great wrath from the Lord of hosts.

²⁰ But when his heart was lifted up, and his mind hardened in pride, he was deposed from his kingly throne, and they took his glory from him:

⁷ 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.

⁸ Behold, I have made thy face strong against their faces, and thy forehead strong against their foreheads.

⁹ As an adamant harder than flint have I made thy forehead: fear them not, neither be dismayed at their looks, though they be a rebellious house.

²⁶ Yet they hearkened not unto me, nor inclined their ear, but hardened their neck: they did worse than their fathers.

¹² Take heed, brethren, lest there be in any of you an evil heart of unbelief, in departing from the living God.

¹³ But exhort one another daily, while it is called To day; lest any of you be hardened through the deceitfulness of sin.

¹⁵ For this people's heart is waxed gross, and their ears are dull of hearing, and their eyes they have closed; lest at any time they should see with their eyes and hear with their ears, and should understand with their heart, and should be converted, and I should heal them.

29 He, that being often reproved hardeneth his neck, shall suddenly be destroyed, and that without remedy.