John 10:6
Jesus told them this allegory, but they did not understand what He meant by it.
Matthew 13:13-14
This is why I am speaking to them in stories, because they look but do not see, they listen but do not really hear or understand.
Matthew 13:51
"Do you understand all these stories?" They answered Him, "Yes."
John 6:52
But the Jews kept on wrangling with one another and saying, "How can He give us His flesh to eat?"
John 6:60
So many of His disciples, when they heard it, said, "This teaching is hard to take in. Who can listen to it?"
John 7:36
What does He mean by saying, 'You will look for me and will not find me, and you cannot come where I am going'?"
John 8:27
They did not understand that He was speaking to them about the Father.
John 8:43
Why is it that you misunderstand what I say? It is because you cannot listen to what I teach.
John 16:25
"I have told you these things in allegories, but a time is coming when I shall not do so any longer, but will plainly tell you about the Father.
1 Corinthians 2:14
An unspiritual man does not accept the things that the Spirit of God teaches, for they are nonsense to him; and he cannot understand them, because they are appreciated by spiritual insight.
1 John 5:20
And we know that the Son of God has come, and has given us insight to recognize the True One; and we are in union with the True One through His Son, Jesus Christ. He is the true God and eternal life.