Matthew 13:51
Jesus said unto them, "Understand ye all these things?" They said, "Yea, Lord."
Matthew 13:11
He answered, and said unto them, "It is given unto you to know the secrets of the kingdom of heaven, but to them it is not given.
Matthew 13:19
Whosoever heareth the word of the kingdom, and understandeth it not, there cometh the evil man, and catcheth away that which was sown in his heart. And this is he which was sown by the wayside.
Matthew 15:17
Perceive ye not, that whatsoever goeth in at the mouth, descendeth down into the belly, and is cast out into the draught?
Matthew 16:11
Why perceive ye not, then, that I spake not unto you of bread, when I said, 'Beware of the leaven of the Pharisees and of the Sadducees?'"
Matthew 24:15
When ye, therefore, shall see the abomination that betokeneth desolation, spoken of by Daniel the prophet, stand in the holy place: let him that readeth it, understand it:
Mark 4:34
And without similitude spake he nothing unto them. But when they were apart, he expounded all things to his disciples.
Mark 7:18
and he said unto them, "Are ye so without understanding? Do ye not yet perceive, that whatsoever thing from without entereth into a man, it cannot defile him,
Mark 8:17-18
And when Jesus knew that, he said unto them, "Why take ye thought because ye have no bread? Perceive ye not yet, neither understand? Have ye your hearts yet blinded?
Luke 9:44-45
"Let these sayings sink down into your ears. The time will come, when the son of man shall be delivered into the hands of men."
Acts 8:30-31
And Philip ran to him, and heard him read Isaiah the prophet, and said, "Understandest thou what thou readest?"
1 John 5:20
We know that the son of God is come, and hath given us understanding, to know him that is true: and we be in the truth through his son Jesus Christ. He is very God, and eternal life.