John 8:27

They did not know He was speaking to them about the Father.

Isaiah 6:9

And He replied:

Go! Say to these people:
Keep listening, but do not understand;
keep looking, but do not perceive.

Isaiah 42:18-20

“Listen, you deaf!
Look, you blind, so that you may see.

Isaiah 59:10

We grope along a wall like the blind;
we grope like those without eyes.
We stumble at noon as though it were twilight;
we are like the dead among those who are healthy.

John 8:43

Why don’t you understand what I say? Because you cannot listen to My word.

John 8:47

The one who is from God listens to God’s words. This is why you don’t listen, because you are not from God.”

Romans 11:7-10

What then? Israel did not find what it was looking for, but the elect did find it. The rest were hardened,

2 Corinthians 4:3-4

But if our gospel is veiled, it is veiled to those who are perishing.

Treasury of Scripture Knowledge

Summary

They understood not that he spake to them of the Father.

Bible References

General references

John 8:43
Why don’t you understand what I say? Because you cannot listen to My word.
Isaiah 6:9
And He replied:

Go! Say to these people:
Keep listening, but do not understand;
keep looking, but do not perceive.
Isaiah 42:18
“Listen, you deaf!
Look, you blind, so that you may see.
Isaiah 59:10
We grope along a wall like the blind;
we grope like those without eyes.
We stumble at noon as though it were twilight;
we are like the dead among those who are healthy.
Romans 11:7
What then? Israel did not find what it was looking for, but the elect did find it. The rest were hardened,
2 Corinthians 4:3
But if our gospel is veiled, it is veiled to those who are perishing.

Holman Christian Standard Bible®, Copyright © 1999, 2000, 2002, 2003, 2009 by Holman Bible Publishers.