Romans 11:10

Let their eyes be darkened, so they cannot see, and forever bend their backs beneath the load."

Romans 1:21

because, although they once knew God, they did not honor Him as God, or give Him thanks, but became silly in their senseless speculations, and so their insensible hearts have been shrouded in darkness.

Romans 11:8

as the Scripture Says, "God has given them over to an attitude of insensibility, so that their eyes cannot see and their ears cannot hear, down to this very day."

Ephesians 4:18

with darkened understanding, estranged from the life of God because of the ignorance that exists among them and because of the stubbornness of their hearts;

2 Peter 2:4

For if God did not spare angels when they sinned, but hurled them down to Tartarus and committed them to dark dungeons to await their doom,

2 Peter 2:17

Such men are dried-up springs, clouds driven by the storm, and they are doomed to densest darkness.

Jude 1:6

And angels, who did not preserve their original rank but left their proper home, He has kept in everlasting chains under darkness, for the day of judgment,

Jude 1:13

wild waves of the sea foaming up their own shame; wandering stars that are forever doomed to utter darkness.

Treasury of Scripture Knowledge

Summary

Let their eyes be darkened, that they may not see, and bow down their back alway.

General references

Bible References

Their eyes

Romans 11:8
as the Scripture Says, "God has given them over to an attitude of insensibility, so that their eyes cannot see and their ears cannot hear, down to this very day."
Romans 1:21
because, although they once knew God, they did not honor Him as God, or give Him thanks, but became silly in their senseless speculations, and so their insensible hearts have been shrouded in darkness.
Ephesians 4:18
with darkened understanding, estranged from the life of God because of the ignorance that exists among them and because of the stubbornness of their hearts;
2 Peter 2:4
For if God did not spare angels when they sinned, but hurled them down to Tartarus and committed them to dark dungeons to await their doom,
Jude 1:6
And angels, who did not preserve their original rank but left their proper home, He has kept in everlasting chains under darkness, for the day of judgment,

General references

John 8:27
They did not understand that He was speaking to them about the Father.