John 8:43

Wherefore do you not understand my speech? Because you are not able to hear my word.

John 7:17

if any one may will to do His will, he shall know concerning the teaching, whether it is of God, or I speak for myself.

John 5:43

I have come in the name of my Father, and you do not receive me: if another may come in his own name, you will receive him.

John 6:60

Then many of His disciples, hearing, said, This is a hard sermon; who is able to hear it?

John 8:27

They did not know that He spoke to them concerning the Father.

John 12:39-40

Wherefore were they not able to believe, because Isaiah again said,

Acts 7:51

Ye stiffnecked and uncircumcised in heart and ears, you do always resist the Holy Ghost; as your fathers did, so do ye.

Romans 3:11

there is no one who understands, there is no one who seeks out God;

Romans 8:7-8

Therefore the mind of depravity is enmity toward God: for it is not subordinated to the law of God, for it is not able so to be.

Treasury of Scripture Knowledge

Summary

Why do ye not understand my speech? even because ye cannot hear my word.

Bible References

Do

John 8:27
They did not know that He spoke to them concerning the Father.
John 5:43
I have come in the name of my Father, and you do not receive me: if another may come in his own name, you will receive him.
John 7:17
if any one may will to do His will, he shall know concerning the teaching, whether it is of God, or I speak for myself.
John 12:39
Wherefore were they not able to believe, because Isaiah again said,
Romans 3:11
there is no one who understands, there is no one who seeks out God;

Ye cannot

John 6:60
Then many of His disciples, hearing, said, This is a hard sermon; who is able to hear it?
Acts 7:51
Ye stiffnecked and uncircumcised in heart and ears, you do always resist the Holy Ghost; as your fathers did, so do ye.
Romans 8:7
Therefore the mind of depravity is enmity toward God: for it is not subordinated to the law of God, for it is not able so to be.

General references

Matthew 16:11
How do you not understand that I did not speak to you concerning bread, to beware of the leaven of the Pharisees and the Sadducees.
Matthew 25:42
For I was hungry, and you gave me nothing to eat: I was thirsty, and you gave me nothing to drink:
John 7:17
if any one may will to do His will, he shall know concerning the teaching, whether it is of God, or I speak for myself.
John 8:27
They did not know that He spoke to them concerning the Father.
John 16:9
Concerning sin indeed, because they do not believe on me; and concerning righteousness;