John 10:6
This parable spoke Jesus unto them: but they understood not what things they were which he spoke unto them.
Psalm 82:5
They know not, neither will they understand; they walk on in darkness: all the foundations of the earth are out of course.
Psalm 106:7
Our fathers understood not your wonders in Egypt; they remembered not the multitude of your mercies; but rebelled against him at the sea, even at the Red sea.
Proverbs 28:5
Evil men understand not justice: but they that seek the LORD understand all things.
Isaiah 6:9-10
And he said, Go, and tell this people, Hear you indeed, but understand not; and see you indeed, but perceive not.
Isaiah 56:11
Yea, they are greedy dogs who can never have enough, and they are shepherds that cannot understand: they all look to their own way, everyone for his gain, from his own quarter.
Daniel 12:10
Many shall be purified, and made white, and refined; but the wicked shall do wickedly: and none of the wicked shall understand; but the wise shall understand.
Matthew 13:13-14
Therefore speak I to them in parables: because seeing they see not; and hearing they hear not, neither do they understand.
Matthew 13:51
Jesus said unto them, Have you understood all these things? They say unto him, Yea, Lord.
John 6:52
The Jews therefore strove among themselves, saying, How can this man give us his flesh to eat?
John 6:60
Many therefore of his disciples, when they had heard this, said, This is a hard saying; who can hear it?
John 7:36
What manner of saying is this that he said, You shall seek me, and shall not find me: and where I am, there you cannot come?
John 8:27
They understood not that he spoke to them of the Father.
John 8:43
Why do you not understand my speech? even because you cannot hear my word.
John 16:25
These things have I spoken unto you in proverbs: but the time comes, when I shall no more speak unto you in proverbs, but I shall show you plainly of the Father.
1 Corinthians 2:14
But the natural man receives not the things of the Spirit of God: for they are foolishness unto him: neither can he know them, because they are spiritually discerned.
1 John 5:20
And we know that the Son of God is come, and has given us an understanding, that we may know him that is true, and we are in him that is true, even in his Son Jesus Christ. This is the true God, and eternal life.