1 Corinthians 2:14

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

1 Corinthians 1:18

for the word of the cross to those indeed perishing is foolishness, and to us -- those being saved -- it is the power of God,

Jude 1:19

these are those setting themselves apart, natural men, the Spirit not having.

Matthew 13:11-17

And he answering said to them that -- 'To you it hath been given to know the secrets of the reign of the heavens, and to these it hath not been given,

1 Corinthians 15:44

it is sown a natural body, it is raised a spiritual body; there is a natural body, and there is a spiritual body;

Matthew 16:23

and he having turned, said to Peter, 'Get thee behind me, adversary! thou art a stumbling-block to me, for thou dost not mind the things of God, but the things of men.'

John 3:3-6

Jesus answered and said to him, 'Verily, verily, I say to thee, If any one may not be born from above, he is not able to see the reign of God;'

John 5:44

how are ye able -- ye -- to believe, glory from one another receiving, and the glory that is from God alone ye seek not?

John 8:51-52

verily, verily, I say to you, If any one may keep my word, death he may not see -- to the age.'

1 Corinthians 15:46

but that which is spiritual is not first, but that which was natural, afterwards that which is spiritual.

James 3:15

this wisdom is not descending from above, but earthly, physical, demon-like,

Proverbs 14:6

A scorner hath sought wisdom, and it is not, And knowledge to the intelligent is easy.

John 6:44-45

no one is able to come unto me, if the Father who sent me may not draw him, and I will raise him up in the last day;

John 8:43

wherefore do ye not know my speech? because ye are not able to hear my word.

John 10:20

and many of them said, 'He hath a demon, and is mad, why do ye hear him?'

John 10:26-27

but ye do not believe, for ye are not of my sheep,

John 12:37

yet he having done so many signs before them, they were not believing in him,

John 14:26

and the Comforter, the Holy Spirit, whom the Father will send in my name, he will teach you all things, and remind you of all things that I said to you.

John 15:26

And when the Comforter may come, whom I will send to you from the Father -- the Spirit of truth, who from the Father doth come forth, he will testify of me;

John 16:8-15

and having come, He will convict the world concerning sin, and concerning righteousness, and concerning judgment;

Acts 16:14

and a certain woman, by name Lydia, a seller of purple, of the city of Thyatira, worshipping God, was hearing, whose heart the Lord did open to attend to the things spoken by Paul;

Acts 17:18

And certain of the Epicurean and of the Stoic philosophers, were meeting together to see him, and some were saying, 'What would this seed picker wish to say?' and others, 'Of strange demons he doth seem to be an announcer;' because Jesus and the rising again he did proclaim to them as good news,

Acts 17:32

And having heard of a rising again of the dead, some, indeed, were mocking, but others said, 'We will hear thee again concerning this;'

Acts 18:15

but if it is a question concerning words and names, and of your law, look ye yourselves to it, for a judge of these things I do not wish to be,'

Acts 25:19

but certain questions concerning their own religion they had against him, and concerning a certain Jesus who was dead, whom Paul affirmed to be alive;

Acts 26:24-25

And, he thus making a defence, Festus with a loud voice said, 'Thou art mad, Paul; much learning doth turn thee mad;'

Romans 8:5-8

For those who are according to the flesh, the things of the flesh do mind; and those according to the Spirit, the things of the Spirit;

1 Corinthians 1:23

also we -- we preach Christ crucified, to Jews, indeed, a stumbling-block, and to Greeks foolishness,

1 Corinthians 2:12

And we the spirit of the world did not receive, but the Spirit that is of God, that we may know the things conferred by God on us,

2 Corinthians 4:4-6

in whom the god of this age did blind the minds of the unbelieving, that there doth not shine forth to them the enlightening of the good news of the glory of the Christ, who is the image of God;

1 John 2:20

And ye have an anointing from the Holy One, and have known all things;

1 John 2:27

and you, the anointing that ye did receive from him, in you it doth remain, and ye have no need that any one may teach you, but as the same anointing doth teach you concerning all, and is true, and is not a lie, and even as was taught you, ye shall remain in him.

1 John 5:20

and we have known that the Son of God is come, and hath given us a mind, that we may know Him who is true, and we are in Him who is true, in His Son Jesus Christ; this one is the true God and the life age-during!

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 he answering said to them that -- 'To you it hath been given to know the secrets of the reign of the heavens, and to these it hath not been given,
Matthew 16:23
and he having turned, said to Peter, 'Get thee behind me, adversary! thou art a stumbling-block to me, for thou dost not mind the things of God, but the things of men.'
John 3:3
Jesus answered and said to him, 'Verily, verily, I say to thee, If any one may not be born from above, he is not able to see the reign of God;'
John 8:43
wherefore do ye not know my speech? because ye are not able to hear my word.
John 10:26
but ye do not believe, for ye are not of my sheep,
John 12:37
yet he having done so many signs before them, they were not believing in him,
Romans 8:5
For those who are according to the flesh, the things of the flesh do mind; and those according to the Spirit, the things of the Spirit;

The things

1 Corinthians 2:12
And we the spirit of the world did not receive, but the Spirit that is of God, that we may know the things conferred by God on us,
John 14:26
and the Comforter, the Holy Spirit, whom the Father will send in my name, he will teach you all things, and remind you of all things that I said to you.
John 15:26
And when the Comforter may come, whom I will send to you from the Father -- the Spirit of truth, who from the Father doth come forth, he will testify of me;
John 16:8
and having come, He will convict the world concerning sin, and concerning righteousness, and concerning judgment;

They

1 Corinthians 1:18
for the word of the cross to those indeed perishing is foolishness, and to us -- those being saved -- it is the power of God,
John 8:51
verily, verily, I say to you, If any one may keep my word, death he may not see -- to the age.'
John 10:20
and many of them said, 'He hath a demon, and is mad, why do ye hear him?'
Acts 17:18
And certain of the Epicurean and of the Stoic philosophers, were meeting together to see him, and some were saying, 'What would this seed picker wish to say?' and others, 'Of strange demons he doth seem to be an announcer;' because Jesus and the rising again he did proclaim to them as good news,
Acts 18:15
but if it is a question concerning words and names, and of your law, look ye yourselves to it, for a judge of these things I do not wish to be,'
Acts 25:19
but certain questions concerning their own religion they had against him, and concerning a certain Jesus who was dead, whom Paul affirmed to be alive;
Acts 26:24
And, he thus making a defence, Festus with a loud voice said, 'Thou art mad, Paul; much learning doth turn thee mad;'

General references

Proverbs 8:9
All of them are plain to the intelligent, And upright to those finding knowledge.
Proverbs 28:5
Evil men understand not judgment, And those seeking Jehovah understand all.
Luke 7:23
and happy is he whoever may not be stumbled in me.'
John 1:5
and the light in the darkness did shine, and the darkness did not perceive it.