John 8:43-44

"Why is my language not clear to you? Because you are unable to hear what I say. You belong to your father, the devil, and you want to carry out your father's desires. He was a murderer from the beginning, not holding to the truth, for there is no truth in him. When he lies, he speaks his native language, for he is a liar and the father of lies." 

Why is my language not clear to you? Because you are unable to hear what I say 
Jeremiah 5:21  "Hear this, you foolish and senseless people, who have eyes but do not see, who have ears but do not hear: ..." 
John 8:47  "Whoever belongs to God hears what God says. The reason you do not hear is that you do not belong to God."

You belong to your father, the devil 
1 John 3:8  The one who does what is sinful is of the devil, because the devil has been sinning from the beginning. The reason the Son of God appeared was to destroy the devil's work.

and you want to carry out your father's desires 
John 8:38  "I am telling you what I have seen in the Father's presence, and you are doing what you have heard from your father."
John 8:41a  "You are doing the works of your own father."

for he is a liar and the father of lies 
Genesis 3:4  "You will certainly not die," the serpent said to the woman.
Genesis 4:9  Then the LORD said to Cain, "Where is your brother Abel?"  "I don't know," he replied. "Am I my brother's keeper?"
Psalm 5:5-6  The arrogant cannot stand in your presence. You hate all who do wrong; you destroy those who tell lies. The bloodthirsty and deceitful you, LORD, detest.
Isaiah 32:7  Scoundrels use wicked methods, they make up evil schemes to destroy the poor with lies, even when the plea of the needy is just.
Proverbs 17:4  A wicked person listens to deceitful lips; a liar pays attention to a destructive tongue.
Psalm 5:9  Not a word from their mouth can be trusted; their heart is filled with malice. Their throat is an open grave; with their tongues they tell lies.
Isaiah 28:15  You boast, "We have entered into a covenant with death, with the realm of the dead we have made an agreement. When an overwhelming scourge sweeps by, it cannot touch us, for we have made a lie our refuge and falsehood our hiding place."

Scriptures taken from the Holy Bible, New International Version® NIV®, 
Copyright© 1973, 1978, 1984, 2011 by Biblica, Inc.® Used by permission. All rights reserved worldwide. 
Limited to 15 verses per post.