1 Peter 4:6

For this is why the good news [of salvation] was preached [in their lifetimes] even to those who are dead, that though they were judged in the flesh as men are, they may live in the spirit according to [the will and purpose of] God.

1 Peter 3:19

in which He also went and preached to the spirits now in prison,

John 5:25-26

I assure you and most solemnly say to you, a time is coming and is [here] now, when the dead will hear the voice of the Son of God, and those who hear it will live.

Romans 8:2

For the law of the Spirit of life [which is] in Christ Jesus [the law of our new being] has set you free from the law of sin and of death.

Romans 8:9-11

However, you are not [living] in the flesh [controlled by the sinful nature] but in the Spirit, if in fact the Spirit of God lives in you [directing and guiding you]. But if anyone does not have the Spirit of Christ, he does not belong to Him [and is not a child of God].

1 Corinthians 11:31-32

But if we evaluated and judged ourselves honestly [recognizing our shortcomings and correcting our behavior], we would not be judged.

Galatians 2:19

For through the Law I died to the Law and its demands on me [because salvation is provided through the death and resurrection of Christ], so that I might [from now on] live to God.

Galatians 5:25

If we [claim to] live by the [Holy] Spirit, we must also walk by the Spirit [with personal integrity, godly character, and moral courage—our conduct empowered by the Holy Spirit].

Ephesians 2:3-5

Among these [unbelievers] we all once lived in the passions of our flesh [our behavior governed by the sinful self], indulging the desires of human nature [without the Holy Spirit] and [the impulses] of the [sinful] mind. We were, by nature, children [under the sentence] of [God’s] wrath, just like the rest [of mankind].

Titus 3:3-7

For we too once were foolish, disobedient, deceived, enslaved to various sinful desires and pleasures, spending and wasting our life in malice and envy, hateful, hating one another.

1 Peter 4:1-2

Therefore, since Christ suffered in the flesh [and died for us], arm yourselves [like warriors] with the same purpose [being willing to suffer for doing what is right and pleasing God], because whoever has suffered in the flesh [being like-minded with Christ] is done with [intentional] sin [having stopped pleasing the world],

Revelation 14:18

And another angel came from the altar, the one who has power over fire; and he called with a loud voice to him who had the sharp sickle, saying, “Put in your sharp sickle and reap the clusters of grapes from the vine of the earth, because her grapes are ripe [for judgment].”

Matthew 24:9

“Then they will hand you over to [endure] tribulation, and will put you to death, and you will be hated by all nations because of My name.

Treasury of Scripture Knowledge

Summary

For for this cause was the gospel preached also to them that are dead, that they might be judged according to men in the flesh, but live according to God in the spirit.

Bible References

To them

1 Peter 3:19
in which He also went and preached to the spirits now in prison,
John 5:25
I assure you and most solemnly say to you, a time is coming and is [here] now, when the dead will hear the voice of the Son of God, and those who hear it will live.

But

Romans 8:2
For the law of the Spirit of life [which is] in Christ Jesus [the law of our new being] has set you free from the law of sin and of death.
Galatians 2:19
For through the Law I died to the Law and its demands on me [because salvation is provided through the death and resurrection of Christ], so that I might [from now on] live to God.
Galatians 5:25
If we [claim to] live by the [Holy] Spirit, we must also walk by the Spirit [with personal integrity, godly character, and moral courage—our conduct empowered by the Holy Spirit].
Ephesians 2:3
Among these [unbelievers] we all once lived in the passions of our flesh [our behavior governed by the sinful self], indulging the desires of human nature [without the Holy Spirit] and [the impulses] of the [sinful] mind. We were, by nature, children [under the sentence] of [God’s] wrath, just like the rest [of mankind].
Titus 3:3
For we too once were foolish, disobedient, deceived, enslaved to various sinful desires and pleasures, spending and wasting our life in malice and envy, hateful, hating one another.
Revelation 14:18
And another angel came from the altar, the one who has power over fire; and he called with a loud voice to him who had the sharp sickle, saying, “Put in your sharp sickle and reap the clusters of grapes from the vine of the earth, because her grapes are ripe [for judgment].”