Mark 4:12

That seeing they may see, yet not perceive; and hearing may hear, yet not understand; lest at any time they should be converted, and their sins be forgiven them.

Mark 8:17-21

And Jesus knowing it said unto them, Why reason ye together, because ye have no loaves? Do ye not yet consider, nor understand? Have ye your heart yet hardened?

Ephesians 2:11

Wherefore remember that ye in time past were Gentiles in the flesh, who are called uncircumcision by that called circumcision made by hands in the flesh;

2 Thessalonians 2:10-12

and in every unrighteous delusion among those who perish: in consequence of which things they received not the love of the truth, that they might be saved.

Treasury of Scripture Knowledge

Summary

Our fathers understood not thy wonders in Egypt; they remembered not the multitude of thy mercies; but provoked him at the sea, even at the Red sea.

Bible References

Our

Mark 4:12
That seeing they may see, yet not perceive; and hearing may hear, yet not understand; lest at any time they should be converted, and their sins be forgiven them.
Mark 8:17
And Jesus knowing it said unto them, Why reason ye together, because ye have no loaves? Do ye not yet consider, nor understand? Have ye your heart yet hardened?
2 Thessalonians 2:10
and in every unrighteous delusion among those who perish: in consequence of which things they received not the love of the truth, that they might be saved.

They

Ephesians 2:11
Wherefore remember that ye in time past were Gentiles in the flesh, who are called uncircumcision by that called circumcision made by hands in the flesh;