Mark.6.52for they did not understand about the loaves, but their hearts were hardened.
Mark.8.17And Jesus, aware of this, said to them, “Why are you discussing the fact that you have no bread? Do you not yet perceive or understand? Are your hearts hardened?
John.12.40“ He has blinded their eyes and hardened their heart, lest they see with their eyes, and understand with their heart, and turn, and I would heal them.”
Rom.9.18So then he has mercy on whomever he wills, and he hardens whomever he wills.
Rom.11.7What then? Israel failed to obtain what it was seeking. The elect obtained it, but the rest were hardened,
Rom.11.25Lest you be wise in your own conceits, I want you to understand this mystery, brothers: a partial hardening has come upon Israel, until the fullness of the Gentiles has come in.
2Cor.3.14But their minds were hardened. For to this day, when they read the old covenant, that same veil remains unlifted, because only through Christ is it taken away.
Heb.3.8do not harden your hearts as in the rebellion, on the day of testing in the wilderness,
Heb.3.13But exhort one another every day, as long as it is calledtoday,” that none of you may be hardened by the deceitfulness of sin.
Heb.3.15As it is said, “ Today, if you hear his voice, do not harden your hearts as in the rebellion.”
Heb.4.7again he appoints a certain day, “Today,” saying through David so long afterward, in the words already quoted, “ Today, if you hear his voice, do not harden your hearts.”