The Jews therefore argued among themselves, saying, How can this Man give us His flesh to eat?

Therefore many of His disciples, when they heard this, said, This is a hard saying; who is able to hear it?

What is this thing that He said, You will seek Me and not find Me, and where I am you are not able to come?

They did not understand that He spoke to them of the Father.

Why do you not understand My speech? Because you are not able to hear My Word.

They do not know, nor do they understand; they walk about in darkness; all the foundations of the earth are shaken.

Our fathers in Egypt did not understand Your wonders; they did not remember the multitude of Your mercies, but rebelled by the sea; the Red Sea.

Evil men do not understand justice; but those who seek Jehovah understand all things.

And He said, Go, and tell this people, You listen to hear, but do not understand; you look to see, but do not perceive.

Make the heart of this people fat, and make their ears heavy, and shut their eyes; lest they see with their eyes, and hear with their ears, and understand with their hearts, and turn back, and be healed.

Yea, they are greedy dogs which never have enough. And they are shepherds who cannot understand; they all look to their own way, every one for his own gain, to his own end.

Many shall be purified and made white and tested, but the wicked shall do wickedly. And none of the wicked shall understand, but the wise shall understand.

Therefore I speak to them in parables, because seeing they do not see, and hearing they do not hear, nor do they understand.

And in them the prophecy of Isaiah is fulfilled, which says: Hearing you will hear and shall not at all understand, and seeing you will see and by no means perceive;

Jesus said to them, Have you understood all these things? They said to Him, Yes, Lord.

But the natural man does not receive the things of the Spirit of God, for they are foolishness to him; and he is not able to know them, because they are spiritually discerned.

And we know that the Son of God has come and has given us an understanding, that we may know Him who is true; and we are in Him who is true, in His Son Jesus Christ. This is the true God and eternal life.