1 Corinthians 2:14

And the natural man receives not the things of the Spirit of God: for they are foolishness to him: and he cannot know, for they are spiritually examined.

1 Corinthians 1:18

For truly the word of the cross to them perishing is foolishness; but to us saved it is the power of God.

Jude 1:19

These are they separating themselves, sensual, not having the Spirit.

Matthew 13:11-17

And having answered, he said to them, For to you it was given to know the mysteries of the kingdom of the heavens, but to them it was not given.

1 Corinthians 15:44

It is sown an animated body; it is raised a spiritual body. There is an animated body, and there is a spiritual body.

Matthew 16:23

And having turned, he said to Peter, Retire behind me, Satan: thou art an offence, to me: for thou hast not in mind the things of God, but the things of men.

John 3:3-6

Jesus answered and said to him, Amen, amen, I say to thee, Except any one be born from above, he cannot see the kingdom of God.

John 5:44

How can ye believe, receiving glory from one another, and ye seek not the glory that from God alone?

John 8:51-52

Truly, truly, I say to you, If any keep my word, he should never see death.

1 Corinthians 15:46

But the first not spiritual, but animated; then the spiritual.

James 3:15

This is wisdom coming not down from above, but earthly, natural, resembling an evil spirit.

Proverbs 14:6

He mocking sought wisdom, and none: and knowledge being easy to him understanding.

John 6:44-45

None can come to me, except the Father having sent me draw him: and I will raise him up at the last day.

John 8:43

Wherefore ye know not my speech, for ye cannot hear my word.

John 10:20

And many of them said, He has a demon, and is frenzied; why hear ye him?

John 10:26-27

But ye believe not, for ye are not of my sheep, as I said to you.

John 12:37

And he having done so many signs before them, they did not believe in him:

John 14:26

But the Intercessor, the Holy Spirit, which the Father will send in my name, the same shall teach you all things, and he shall remind you of all things which I spake to you.

John 15:26

And when the Intercessor should come, which I will send you from the Father, the Spirit of truth, which comes from the Father, he shall testify of me:

John 16:8-15

And having come, he will convict the world of sin, and of justice, and of judgment:

Acts 16:14

And a certain woman, by name Lydia, a dealer in purple garments, of the city of Thyatira, worshipping God, heard: whose heart the Lord opened to attend to things spoken by Paul.

Acts 17:18

And certain of the Epicurean and Stoic philosophers deliberated with him. And certain said, What may this idle, talkative man wish to say? and others, He seems to be a declarer of strange demons: because he announced to them good news, and the rising up.

Acts 17:32

And having heard of the rising up of the dead, they treated with mockery; and said, We will hear thee again concerning this.

Acts 18:15

But if it is a question of the word, and names, and law, according to you, see ye yourselves; for I will not be judge of these.

Acts 25:19

But had certain questions of their own superstition against him, and of a certain Jesus, having died, whom Paul declared living.

Acts 26:24-25

And he defending himself by these, Festus said with a great voice, Thou art frenzied, Paul; many letters turn thee to madness.

Romans 8:5-8

For they being according to the flesh mind things of the flesh; and they according to the Spirit the things of the Spirit.

1 Corinthians 1:23

And we proclaim Christ crucified, to the Jews truly a stumbling-block, and to the Greeks foolishness;

1 Corinthians 2:12

And we have not received the spirit of the world, but the spirit from God; that we might know things bestowed upon us as a gift by God.

2 Corinthians 4:4-6

In whom the God of this world blinded the minds of the unbelieving, so that the enlightening of the good news of the glory of Christ, who is the image of God, does not enlighten them.

1 John 2:20

And ye have an anointing from the Holy One, and know all things.

1 John 2:27

And the anointing which ye received from him remains in you, and ye have no need that any teach you: but as the same anointing teaches you of all things, and is true, and is no lie, and as it taught you, ye shall remain in him.

1 John 5:20

And we know that the Son of God has come, and has given us understanding, and we know him true, and we are in him true, in his Son Jesus Christ. This is the true God, and eternal life.

Treasury of Scripture Knowledge

Summary

But the natural man receiveth not the things of the Spirit of God: for they are foolishness unto him: neither can he know them, because they are spiritually discerned.

Bible References

Receiveth

Matthew 13:11
And having answered, he said to them, For to you it was given to know the mysteries of the kingdom of the heavens, but to them it was not given.
Matthew 16:23
And having turned, he said to Peter, Retire behind me, Satan: thou art an offence, to me: for thou hast not in mind the things of God, but the things of men.
John 3:3
Jesus answered and said to him, Amen, amen, I say to thee, Except any one be born from above, he cannot see the kingdom of God.
John 8:43
Wherefore ye know not my speech, for ye cannot hear my word.
John 10:26
But ye believe not, for ye are not of my sheep, as I said to you.
John 12:37
And he having done so many signs before them, they did not believe in him:
Romans 8:5
For they being according to the flesh mind things of the flesh; and they according to the Spirit the things of the Spirit.

The things

1 Corinthians 2:12
And we have not received the spirit of the world, but the spirit from God; that we might know things bestowed upon us as a gift by God.
John 14:26
But the Intercessor, the Holy Spirit, which the Father will send in my name, the same shall teach you all things, and he shall remind you of all things which I spake to you.
John 15:26
And when the Intercessor should come, which I will send you from the Father, the Spirit of truth, which comes from the Father, he shall testify of me:
John 16:8
And having come, he will convict the world of sin, and of justice, and of judgment:

They

1 Corinthians 1:18
For truly the word of the cross to them perishing is foolishness; but to us saved it is the power of God.
John 8:51
Truly, truly, I say to you, If any keep my word, he should never see death.
John 10:20
And many of them said, He has a demon, and is frenzied; why hear ye him?
Acts 17:18
And certain of the Epicurean and Stoic philosophers deliberated with him. And certain said, What may this idle, talkative man wish to say? and others, He seems to be a declarer of strange demons: because he announced to them good news, and the rising up.
Acts 18:15
But if it is a question of the word, and names, and law, according to you, see ye yourselves; for I will not be judge of these.
Acts 25:19
But had certain questions of their own superstition against him, and of a certain Jesus, having died, whom Paul declared living.
Acts 26:24
And he defending himself by these, Festus said with a great voice, Thou art frenzied, Paul; many letters turn thee to madness.

General references

Proverbs 8:9
All of them straight to him understanding, and right to those finding knowledge.
Proverbs 28:5
Men of evil shall not understand judgment: and they seeking Jehovah shall understand all.
Luke 7:23
And happy is he, whoever should not be offended in me.
John 1:5
And light shines in darkness; and darkness comprehended it not.