1 John 2:8

Yet, I am [also] writing to you about a new commandment [Note: This commandment was to love one another as Jesus loved them. See John 13:34]; its truth is [being demonstrated] by Christ [perfectly] and [also] by you people [in a lesser measure], because the darkness [of sin] is passing away, and the real light [of righteousness] is already shining [in people's lives].

Romans 13:12

The night is almost over and the day is near. So, we should stop doing the deeds of darkness [i.e., sinful things] and we should arm ourselves with the weapons of light [i.e., virtues for right living].

John 1:9

[Now] the true Light, who enlightens all mankind, was [indeed] coming into the world [i.e., to earth].

John 13:34

I am giving you a new commandment: love one another. Also you should love one another in the same way that I have loved you.

Ephesians 5:8

for you people were once darkness [i.e., when living in sin], but now you are light in [fellowship with] the Lord. [So], live like people who belong to light [i.e., who live godly lives],

John 8:12

So, Jesus spoke to them again [i.e., to the Jewish authorities. See 7:45], saying, "I am the light of the world. The person who becomes my follower will never live in [spiritual] darkness, but have the light of [i.e., for his] life [i.e., followers of Jesus will not live in error and sin but in truth and righteousness]."

2 Corinthians 4:4-6

For the god of this world [i.e., Satan] has blinded the minds of the unbelievers, so that they would not see the light of the Gospel of the splendor of Christ, who is the image of God.

Matthew 4:16

the people who lived [there] in [spiritual] darkness saw a great light. Light shone upon these people, who lived in an area that was under the shadow of death."

Luke 1:79

to shine on those who are sitting in darkness and [are under] the shadow of death, and to direct our feet into the way of peace."

John 1:4-5

PM if Jewish time were meant].

John 12:35

So, Jesus said to them, "The Light will be among you for only a little while [longer]. Walk around while you [still] have the Light [with you], before darkness surrounds you. For the person who walks around in darkness does not know where he is going.

John 12:46

I have come into the world to be a light [to it], so that whoever believes in me would not have to remain in [spiritual] darkness.

John 15:12-15

My commandment [to you] is this: You should love one another just as I have loved you.

Acts 17:30

Now God made allowance for the times when people were still uninformed [about His complete will], but now [in the Gospel age] He requires all people everywhere to repent [i.e., change their hearts and lives].

Acts 26:18

to open their eyes [to the truth] so they will turn from darkness to light and from the power [i.e., the influence] of Satan to God. [Then] they can receive the forgiveness of sins and the inheritance [of never ending life], along with [all] those who are set apart [for God] by trusting in Me.'

2 Corinthians 8:9

For you know the unearned favor of our Lord Jesus Christ, [how] that even though He was rich, He became poor for your sakes, so that through His poverty you people could become [spiritually] rich.

Ephesians 5:1-2

So, as dearly loved children, you people should [try to] be like God.

1 Thessalonians 5:4-8

But you brothers are not in the dark about that day, so that it sneaks up on you like a thief,

2 Timothy 1:10

But, it has [only] now been made known to us by the appearance of our Savior Christ Jesus, who has put an end to death and brought [never ending] life and incorruption [i.e., immortality] to light through the Gospel [message],

1 Peter 1:21

[It is] through Christ, whom God raised from the dead and honored, that you people have become believers in God, so that your faith and hope could rest in God.

1 Peter 4:1-3

Therefore, since Christ has suffered physically, you people should fortify yourselves with the same attitude He had. For the person who has suffered physically [i.e., in standing for Christ] has quit sinning.

1 John 3:14-16

[For] we [can] know that we have passed out of [the realm of spiritual] death and into [spiritual] life, because we [show] love for the brothers [and sisters]. The person who does not love [them] continues to be [spiritually] dead.

1 John 4:11

Loved ones, if God loved us that much, we should also love one another.

1 John 4:21

And this is the [greatest] commandment [See Matt. 2:37-38] we have received from Him: [It requires] that the person who [claims to] love God should also love his brother.

Treasury of Scripture Knowledge

Summary

Again, a new commandment I write unto you, which thing is true in him and in you: because the darkness is past, and the true light now shineth.

General references

Bible References

A new

1 John 4:21
And this is the [greatest] commandment [See Matt. 2:37-38] we have received from Him: [It requires] that the person who [claims to] love God should also love his brother.
John 13:34
I am giving you a new commandment: love one another. Also you should love one another in the same way that I have loved you.
John 15:12
My commandment [to you] is this: You should love one another just as I have loved you.

Which

1 John 3:14
[For] we [can] know that we have passed out of [the realm of spiritual] death and into [spiritual] life, because we [show] love for the brothers [and sisters]. The person who does not love [them] continues to be [spiritually] dead.
1 John 4:11
Loved ones, if God loved us that much, we should also love one another.
John 15:12
My commandment [to you] is this: You should love one another just as I have loved you.
2 Corinthians 8:9
For you know the unearned favor of our Lord Jesus Christ, [how] that even though He was rich, He became poor for your sakes, so that through His poverty you people could become [spiritually] rich.
Ephesians 5:1
So, as dearly loved children, you people should [try to] be like God.
1 Peter 1:21
[It is] through Christ, whom God raised from the dead and honored, that you people have become believers in God, so that your faith and hope could rest in God.
1 Peter 4:1
Therefore, since Christ has suffered physically, you people should fortify yourselves with the same attitude He had. For the person who has suffered physically [i.e., in standing for Christ] has quit sinning.

The darkness

Matthew 4:16
the people who lived [there] in [spiritual] darkness saw a great light. Light shone upon these people, who lived in an area that was under the shadow of death."
Luke 1:79
to shine on those who are sitting in darkness and [are under] the shadow of death, and to direct our feet into the way of peace."
John 12:46
I have come into the world to be a light [to it], so that whoever believes in me would not have to remain in [spiritual] darkness.
Acts 17:30
Now God made allowance for the times when people were still uninformed [about His complete will], but now [in the Gospel age] He requires all people everywhere to repent [i.e., change their hearts and lives].
Acts 26:18
to open their eyes [to the truth] so they will turn from darkness to light and from the power [i.e., the influence] of Satan to God. [Then] they can receive the forgiveness of sins and the inheritance [of never ending life], along with [all] those who are set apart [for God] by trusting in Me.'
Romans 13:12
The night is almost over and the day is near. So, we should stop doing the deeds of darkness [i.e., sinful things] and we should arm ourselves with the weapons of light [i.e., virtues for right living].
2 Corinthians 4:4
For the god of this world [i.e., Satan] has blinded the minds of the unbelievers, so that they would not see the light of the Gospel of the splendor of Christ, who is the image of God.
Ephesians 5:8
for you people were once darkness [i.e., when living in sin], but now you are light in [fellowship with] the Lord. [So], live like people who belong to light [i.e., who live godly lives],
1 Thessalonians 5:5
for all of you people belong to the light; you belong to the daytime. We do not belong to the night or to darkness. [Note: In this passage "light" and "daytime" refer to spiritual illumination, while "darkness" and "night" refer to spiritual ignorance].

And the

John 1:4
Life existed in Him; and that Life [was what] enlightened mankind [spiritually].
John 8:12
So, Jesus spoke to them again [i.e., to the Jewish authorities. See 7:45], saying, "I am the light of the world. The person who becomes my follower will never live in [spiritual] darkness, but have the light of [i.e., for his] life [i.e., followers of Jesus will not live in error and sin but in truth and righteousness]."
John 12:35
So, Jesus said to them, "The Light will be among you for only a little while [longer]. Walk around while you [still] have the Light [with you], before darkness surrounds you. For the person who walks around in darkness does not know where he is going.
2 Timothy 1:10
But, it has [only] now been made known to us by the appearance of our Savior Christ Jesus, who has put an end to death and brought [never ending] life and incorruption [i.e., immortality] to light through the Gospel [message],

General references

John 15:12
My commandment [to you] is this: You should love one another just as I have loved you.