John 8:27

They were not aware that he spoke to them about the Father.

Isaiah 6:9

He said: Go and tell this people: 'Hear constantly but do not understand. See constantly but do not perceive.'

Isaiah 42:18-20

Jehovah says: Hear, you deaf people! Look closely, you who are blind!

Isaiah 59:10

We grope like blind men along a wall. We grope like people without eyes. We stumble at noon as if it were evening. We are like dead people among the living.

John 8:43

Why do you not understand what I say? Can you not hear me?

John 8:47

He that is of God hears the words of God. That is why you do not listen. You are not from God!

Romans 11:7-10

What then? Israel has not obtained that which he seeks. The chosen ones have obtained it, and the rest were blinded (rendered stupid) (hardened) (made insensitive).

2 Corinthians 4:3-4

If our gospel is veiled, it is veiled to those who perish.

Treasury of Scripture Knowledge

Summary

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

Bible References

General references

John 8:43
Why do you not understand what I say? Can you not hear me?
Isaiah 6:9
He said: Go and tell this people: 'Hear constantly but do not understand. See constantly but do not perceive.'
Isaiah 42:18
Jehovah says: Hear, you deaf people! Look closely, you who are blind!
Isaiah 59:10
We grope like blind men along a wall. We grope like people without eyes. We stumble at noon as if it were evening. We are like dead people among the living.
Romans 11:7
What then? Israel has not obtained that which he seeks. The chosen ones have obtained it, and the rest were blinded (rendered stupid) (hardened) (made insensitive).
2 Corinthians 4:3
If our gospel is veiled, it is veiled to those who perish.