John 3:12

If I told you earthly things and you did not have faith, how will you have faith if I tell you heavenly things?

John 1:1-14

In the beginning was the Word, and the Word was with God, and the Word was like God (God-like).

John 3:3

Jesus answered: Truly I tell you unless a person is born again (brought forth from above) he cannot see the kingdom of God.

John 3:5

Jesus responded: I tell you truth, except a man be born of water and the spirit he cannot enter into the kingdom of God!

John 3:8

The wind blows where it will. You hear the sound of it. Yet you do not know where it comes from or where it goes. It is like this with every one who is born from the Spirit.

John 3:13-17

No one has ever ascended into heaven but the Son of man who descended from heaven.

John 3:31-36

He who comes from above is above all. He who is of the earth belongs to the earth and speaks from an earthly viewpoint. He who comes from heaven is superior.

1 Corinthians 2:7-9

We speak the wisdom of God in a secret, even the hidden wisdom, which God ordained before the ages (generations and human entities) for our glory.

1 Corinthians 3:1-2

Brothers, I was not able to speak to you as to spiritual men, but as fleshly men, as babes (infants) in Christ.

1 Timothy 3:16

The secret of godliness is great and it is without controversy. 'He (Jesus Christ) was manifested (revealed) in the flesh, justified in the Spirit, and seen by angels. He preached among the nations, was believed on in the world, and received up in glory.'

Hebrews 5:11

We have many things to say about him and it is hard to explain it to you, for you are dull of hearing (slow to learn).

1 Peter 2:1-3

Put away all badness and all deception, hypocrisy, envy, and all evil talk.

1 John 4:10

In this is love, not that we loved God, but that he loved us, and sent his Son to be the propitiation (atonement) (sacrificial payment) for our sins.

Treasury of Scripture Knowledge

Summary

If I have told you earthly things, and ye believe not, how shall ye believe, if I tell you of heavenly things?

Bible References

Earthly

John 3:3
Jesus answered: Truly I tell you unless a person is born again (brought forth from above) he cannot see the kingdom of God.
1 Corinthians 3:1
Brothers, I was not able to speak to you as to spiritual men, but as fleshly men, as babes (infants) in Christ.
Hebrews 5:11
We have many things to say about him and it is hard to explain it to you, for you are dull of hearing (slow to learn).
1 Peter 2:1
Put away all badness and all deception, hypocrisy, envy, and all evil talk.

Heavenly

John 3:13
No one has ever ascended into heaven but the Son of man who descended from heaven.
John 1:1
In the beginning was the Word, and the Word was with God, and the Word was like God (God-like).
1 Corinthians 2:7
We speak the wisdom of God in a secret, even the hidden wisdom, which God ordained before the ages (generations and human entities) for our glory.
1 Timothy 3:16
The secret of godliness is great and it is without controversy. 'He (Jesus Christ) was manifested (revealed) in the flesh, justified in the Spirit, and seen by angels. He preached among the nations, was believed on in the world, and received up in glory.'
1 John 4:10
In this is love, not that we loved God, but that he loved us, and sent his Son to be the propitiation (atonement) (sacrificial payment) for our sins.