Luke 8:10

And he said, To you is given knowledge of the secrets of the kingdom of God; but to the others, they are given in stories, so that seeing, they may not see, and though they give hearing, the sense will not be clear to them.

Isaiah 6:9

And he said, Go, and say to this people, You will go on hearing, but learning nothing; you will go on seeing, but without getting wiser.

Matthew 11:25

At that time Jesus made answer and said, I give praise to you, O Father, Lord of heaven and earth, because you have kept these things secret from the wise and the men of learning, and have made them clear to little children.

Romans 16:25

Now to him who is able to make you strong in agreement with the good news which I gave you and the preaching of Jesus Christ, in the light of the revelation of that secret which has been kept through times eternal,

Deuteronomy 29:4

But even to this day the Lord has not given you a mind open to knowledge, or seeing eyes or hearing ears.

Psalm 25:14

The secret of the Lord is with those in whose hearts is the fear of him; he will make his agreement clear to them.

Isaiah 29:14

For this cause I will again do a strange thing among this people, a thing to be wondered at: and the wisdom of their wise men will come to nothing, and the sense of their guides will no longer be seen.

Isaiah 44:18

They have no knowledge or wisdom; for he has put a veil over their eyes, so that they may not see; and on their hearts, so that they may not give attention.

Jeremiah 5:21

Give ear now to this, O foolish people without sense; who have eyes but see nothing, and ears without the power of hearing:

Matthew 13:11-17

And he said to them in answer, To you is given the knowledge of the secrets of the kingdom of heaven, but to them it is not given.

Matthew 16:17

And Jesus made answer and said to him, A blessing on you, Simon Bar-jonah: because this knowledge has not come to you from flesh and blood, but from my Father in heaven.

Mark 4:11

And he said to them, To you is given the secret of the kingdom of God, but to those who are outside, all things are given in the form of stories;

Luke 10:21-24

In that same hour he was full of joy in the Holy Spirit and said, I give praise to you, O Father, Lord of heaven and earth, because you have kept these things secret from the wise and the men of learning, and have made them clear to little children: for so, O Father, it was pleasing in your eyes.

John 12:40

He has made their eyes blind, and their hearts hard; for fear that they might see with their eyes and get knowledge with their hearts, and be changed, and I might make them well.

Acts 28:26-27

Go to this people and say, Though you give ear, you will not get knowledge; and seeing, you will see, but the sense will not be clear to you:

Romans 11:7-10

What then? That which Israel was searching for he did not get, but those of the selection got it and the rest were made hard.

1 Corinthians 2:7-11

But we give the news of the secret wisdom of God, which he had kept in store before the world came into existence, for our glory;

1 Corinthians 12:11

But all these are the operations of the one and the same Spirit, giving to every man separately as his pleasure is.

Ephesians 3:3-9

How by revelation the secret was made clear to me, as I said before in a short letter,

Colossians 1:26-28

The secret which has been kept from all times and generations, but has now been made clear to his saints,

Colossians 2:2

So that their hearts may be comforted, and that being joined together in love, they may come to the full wealth of the certain knowledge of the secret of God, even Christ,

1 Timothy 3:16

And without argument, great is the secret of religion: He who was seen in the flesh, who was given God's approval in the spirit, was seen by the angels, of whom the good news was given among the nations, in whom the world had faith, who was taken up in glory.

1 Peter 1:10-12

For the prophets who gave the news of the grace which would come to you, made search with all care for knowledge of this salvation;

Treasury of Scripture Knowledge

Summary

And he said, Unto you it is given to know the mysteries of the kingdom of God: but to others in parables; that seeing they might not see, and hearing they might not understand.

General references

Bible References

Unto

Luke 10:21
In that same hour he was full of joy in the Holy Spirit and said, I give praise to you, O Father, Lord of heaven and earth, because you have kept these things secret from the wise and the men of learning, and have made them clear to little children: for so, O Father, it was pleasing in your eyes.
Psalm 25:14
The secret of the Lord is with those in whose hearts is the fear of him; he will make his agreement clear to them.
Matthew 11:25
At that time Jesus made answer and said, I give praise to you, O Father, Lord of heaven and earth, because you have kept these things secret from the wise and the men of learning, and have made them clear to little children.
Matthew 13:11
And he said to them in answer, To you is given the knowledge of the secrets of the kingdom of heaven, but to them it is not given.
Matthew 16:17
And Jesus made answer and said to him, A blessing on you, Simon Bar-jonah: because this knowledge has not come to you from flesh and blood, but from my Father in heaven.
Mark 4:11
And he said to them, To you is given the secret of the kingdom of God, but to those who are outside, all things are given in the form of stories;
Romans 16:25
Now to him who is able to make you strong in agreement with the good news which I gave you and the preaching of Jesus Christ, in the light of the revelation of that secret which has been kept through times eternal,
1 Corinthians 2:7
But we give the news of the secret wisdom of God, which he had kept in store before the world came into existence, for our glory;
1 Corinthians 12:11
But all these are the operations of the one and the same Spirit, giving to every man separately as his pleasure is.
Ephesians 3:3
How by revelation the secret was made clear to me, as I said before in a short letter,
Colossians 1:26
The secret which has been kept from all times and generations, but has now been made clear to his saints,
Colossians 2:2
So that their hearts may be comforted, and that being joined together in love, they may come to the full wealth of the certain knowledge of the secret of God, even Christ,
1 Timothy 3:16
And without argument, great is the secret of religion: He who was seen in the flesh, who was given God's approval in the spirit, was seen by the angels, of whom the good news was given among the nations, in whom the world had faith, who was taken up in glory.
1 Peter 1:10
For the prophets who gave the news of the grace which would come to you, made search with all care for knowledge of this salvation;

General references

Proverbs 18:15
The heart of the man of good sense gets knowledge; the ear of the wise is searching for knowledge.
Matthew 22:1
And Jesus, talking to them again in stories, said:

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain