3 Bible Verses about Consequences Of Obstinacy

But by your hardness and your impenitent heart you are storing up wrath for yourself on the day of wrath when God's righteous judgment will be revealed.

Later he appeared to the eleven as they sat at the table; and he rebuked them for their unbelief and hardness of heart, because they did not believe those who had seen him after he had risen.

they are darkened in their understanding, alienated from the life of God because of the ignorance that is in them, due to the hardness of their heart;