John 3:6

That, which is born of the flesh, is flesh; and that, which is born of the Spirit, is spirit.

Romans 8:4-9

that the righteousness of the law may be fulfilled in us, who walk not after the flesh but after the spirit.

Galatians 5:16-21

I say then, Walk in the Spirit, and ye will not fulfil the desire of the flesh:

John 1:13

who were born not of blood, nor of the will of the flesh, nor of the will of man, but of God.

Romans 7:5

For when we were in the flesh, the sinful passions while we were under the law operated in our bodies so as to bring forth fruit unto death.

Romans 7:18

For I know that in me (that is in my flesh) dwelleth no good: for to will is present with me, but how to perform that which is good, I find not.

Romans 7:25-1

The grace of God through Jesus Christ our Lord. So then with my mind I serve the law of God, but with the flesh the law of sin.

Romans 8:13

for if ye live after the flesh, ye shall die; but if by the Spirit ye mortify the deeds of the body, ye shall live.

1 Corinthians 6:17

And he that is joined to the Lord is one spirit.

1 Corinthians 15:47-50

The first man being made out of the earth, was earthy: the second man is the Lord from heaven.

2 Corinthians 5:17

And therefore if any one be in Christ, he is created anew: old things are passed away, behold all things are become new.

Galatians 5:24

And they, that are Christ's, have crucified the flesh with it's passions and desires.

Ephesians 2:3

among whom also we were all conversant heretofore in our carnal desires, indulging the appetites of the flesh and of our imaginations; and were by nature children of wrath, even as others.

Colossians 2:11

In whom also ye are circumcised with the circumcision not performed by hands, in putting off the body of the sins of the flesh, by the circumcision which is of Christ:

1 John 3:9

Whosoever is born of God doth not practise sin, because his seed remaineth in him: and he cannot sin, because he is born of God.

Treasury of Scripture Knowledge

Summary

That which is born of the flesh is flesh; and that which is born of the Spirit is spirit.

General references

Bible References

Born of the flesh

Romans 7:5
For when we were in the flesh, the sinful passions while we were under the law operated in our bodies so as to bring forth fruit unto death.
Romans 8:1
There is therefore now no condemnation to them that are in Christ Jesus, who walk not after the flesh but after the spirit.
1 Corinthians 15:47
The first man being made out of the earth, was earthy: the second man is the Lord from heaven.
2 Corinthians 5:17
And therefore if any one be in Christ, he is created anew: old things are passed away, behold all things are become new.
Galatians 5:16
I say then, Walk in the Spirit, and ye will not fulfil the desire of the flesh:
Ephesians 2:3
among whom also we were all conversant heretofore in our carnal desires, indulging the appetites of the flesh and of our imaginations; and were by nature children of wrath, even as others.
Colossians 2:11
In whom also ye are circumcised with the circumcision not performed by hands, in putting off the body of the sins of the flesh, by the circumcision which is of Christ:

General references

Mark 10:15
Verily I tell you, Whosoever shall not receive the kingdom of God as a little child, shall by no means enter into it.
1 Corinthians 6:17
And he that is joined to the Lord is one spirit.