John 6:63

"The spirit is what gives life; the flesh is of no avail. The words which I have been speaking to you, are spirit and are life.

John 6:68

Simon Peter answered. "To whom shall we go Master? You have words of eternal life;

1 Corinthians 15:45

Thus it is written. The first man, Adam, became a living being, the last Adam, a life-giving Spirit.

John 12:49-50

because I have never spoken on my own authority, but the Father himself who sent me gave me commandment what to say and what words to speak.

Romans 8:2

for the law of the spirit of life in Christ Jesus has set me free from the law of sin and of death.

Romans 10:8-10

But what does it say? The word is near thee, even in thy mouth and in thy heart. That is the very word of faith which we preach;

Galatians 5:25

If we are living by the Spirit, let us also keep step in the Spirit.

Romans 10:17

So faith comes from a message heard, and the message comes from the teaching of Christ.

1 Corinthians 2:9-14

Nay, as it is written. Eye has not seen, Nor ear heard, Neither have entered into man's heart The things which God has prepared For those who love him.

1 Corinthians 11:27-29

So he that eats the bread or drinks the cup of the Lord unworthy must answer for a sin against the body and blood of the Lord.

2 Corinthians 3:6-8

It is he who has also made me sufficient as a minister of a new covenant; not of a letter but of a spirit; for the letter kills, but the spirit makes alive.

Galatians 6:15

For in Jesus Christ neither is circumcision anything, nor uncircumcision, but a new creation.

1 Thessalonians 2:13

For this reason also I am giving continual thanks to God, because when you heard from me the spoken word of God, you received it not as the word of men, but as the word of God (which in truth it is), who himself is effectually at work in you believe.

1 Timothy 4:8

For physical training is of some small service, but godliness is of service in everything; since it carries with it a promise of life, both here and hereafter.

Hebrews 13:9

Do not allow yourselves to be swept away by various and strange teachings. For it is a beautiful thing to be established in heart by grace, and not by regulations regarding food, from which those that occupied themselves with them have derived no benefit.

James 1:18

Because he willed, he gave us birth through the word of truth, so that we should be a kind of first-fruits among his creatures.

1 Peter 1:23

For you have been born anew, not of perishable, but of imperishable seed, by the living, lasting word of God.

1 Peter 3:18

because Christ also once for all suffered for sins, the just for the unjust, that he might bring us to God. He was put to death in the flesh, but make alive in spirit.

1 Peter 3:21

Baptism, the counterpart of that, now saves you (not the washing off of the filth of the flesh, but the prayer for a good conscience toward God), through the resurrection of Jesus Christ.

Romans 2:25

Circumcision does indeed profit, if you are obedient to the Law; but if you habitually break the Law, your circumcision is become uncircumcision.

Romans 3:1-2

What special privilege, then, has the Jew? Or what is the use of circumcision?

Galatians 5:6

because in Christ neither circumcision has any value, nor uncircumcision, but faith which works through love.

Treasury of Scripture Knowledge

Summary

It is the spirit that quickeneth; the flesh profiteth nothing: the words that I speak unto you, they are spirit, and they are life.

General references

Bible References

The spirit

Romans 8:2
for the law of the spirit of life in Christ Jesus has set me free from the law of sin and of death.
1 Corinthians 15:45
Thus it is written. The first man, Adam, became a living being, the last Adam, a life-giving Spirit.
2 Corinthians 3:6
It is he who has also made me sufficient as a minister of a new covenant; not of a letter but of a spirit; for the letter kills, but the spirit makes alive.
Galatians 5:25
If we are living by the Spirit, let us also keep step in the Spirit.
1 Peter 3:18
because Christ also once for all suffered for sins, the just for the unjust, that he might bring us to God. He was put to death in the flesh, but make alive in spirit.

The flesh

Romans 2:25
Circumcision does indeed profit, if you are obedient to the Law; but if you habitually break the Law, your circumcision is become uncircumcision.
Romans 3:1
What special privilege, then, has the Jew? Or what is the use of circumcision?
1 Corinthians 11:27
So he that eats the bread or drinks the cup of the Lord unworthy must answer for a sin against the body and blood of the Lord.
Galatians 5:6
because in Christ neither circumcision has any value, nor uncircumcision, but faith which works through love.
Galatians 6:15
For in Jesus Christ neither is circumcision anything, nor uncircumcision, but a new creation.
1 Timothy 4:8
For physical training is of some small service, but godliness is of service in everything; since it carries with it a promise of life, both here and hereafter.
Hebrews 13:9
Do not allow yourselves to be swept away by various and strange teachings. For it is a beautiful thing to be established in heart by grace, and not by regulations regarding food, from which those that occupied themselves with them have derived no benefit.
1 Peter 3:21
Baptism, the counterpart of that, now saves you (not the washing off of the filth of the flesh, but the prayer for a good conscience toward God), through the resurrection of Jesus Christ.

The words

John 6:68
Simon Peter answered. "To whom shall we go Master? You have words of eternal life;
John 12:49
because I have never spoken on my own authority, but the Father himself who sent me gave me commandment what to say and what words to speak.
Romans 10:8
But what does it say? The word is near thee, even in thy mouth and in thy heart. That is the very word of faith which we preach;
1 Corinthians 2:9
Nay, as it is written. Eye has not seen, Nor ear heard, Neither have entered into man's heart The things which God has prepared For those who love him.
2 Corinthians 3:6
It is he who has also made me sufficient as a minister of a new covenant; not of a letter but of a spirit; for the letter kills, but the spirit makes alive.
1 Thessalonians 2:13
For this reason also I am giving continual thanks to God, because when you heard from me the spoken word of God, you received it not as the word of men, but as the word of God (which in truth it is), who himself is effectually at work in you believe.
James 1:18
Because he willed, he gave us birth through the word of truth, so that we should be a kind of first-fruits among his creatures.
1 Peter 1:23
For you have been born anew, not of perishable, but of imperishable seed, by the living, lasting word of God.

General references

Luke 4:32
They were deeply impressed by his teaching because his speech was with authority.