Colossians 1:20

and through Him to reconcile all things to Himself, whether things on earth or things in heaven. He made peace [with mankind] through the [sacrificial] blood of Christ's [death on the] cross.

Ephesians 1:10

[He did this] to fulfill His plan at the proper time, by bringing together everything [in the universe] under Christ's headship --- things both in heaven and on earth.

Romans 5:1

So, since we are made right with God by [our] faith, we have peace with Him through our Lord Jesus Christ.

Luke 2:14

"May there be glory to God in the highest [heavens], and may there be peace on earth among men who are pleasing to God."

Acts 10:30

Cornelius [then] said, "Four days ago, when I was at home, praying at the appointed hour (i.e., three o'clock in the afternoon) [See verse 3], suddenly a man in bright clothing appeared in front of me.

2 Corinthians 5:18-21

All [these] things are from God, who restored us to fellowship with Himself through Christ, and gave us the ministry of restoring [other] people to [such] fellowship.

Ephesians 2:13-17

But now [that you are] in [fellowship with] Christ, you [Gentiles], who were once far away [from God], have been brought near [to Him] through the blood of Christ.

Philippians 2:10

[This was] so that, in [honor of] the name of Jesus, everyone's knee in heaven, on earth and under the earth [i.e., all rational creatures] should bow [i.e., before God],

Colossians 1:21-22

And though you were once estranged [from God] and were enemies [of His] in your mind because of your evil deeds,

Hebrews 2:17

So, for this reason, He had to become like His brothers in every way [i.e., except that He never sinned], so that He could become a merciful and faithful Head Priest in things related to God's [service], [and] that He could provide a means of purifying [Lev. 16:30] for people's sins [i.e., make atonement for them].

Hebrews 13:20-21

Now may the God of peace, who brought back from the dead our Lord Jesus, the great Shepherd of the sheep [i.e., the church], through the blood of the never ending Agreement [i.e., Christ's blood],

1 John 4:9-10

Here is the way God's love for us was demonstrated; He sent His one and only Son into the world so that we could have [spiritual] life through Him.

Treasury of Scripture Knowledge

Summary

And, having made peace through the blood of his cross, by him to reconcile all things unto himself; by him, I say, whether they be things in earth, or things in heaven.

Bible References

Having made peace

Colossians 1:21
And though you were once estranged [from God] and were enemies [of His] in your mind because of your evil deeds,
Luke 2:14
"May there be glory to God in the highest [heavens], and may there be peace on earth among men who are pleasing to God."
Acts 10:30
Cornelius [then] said, "Four days ago, when I was at home, praying at the appointed hour (i.e., three o'clock in the afternoon) [See verse 3], suddenly a man in bright clothing appeared in front of me.
Romans 5:1
So, since we are made right with God by [our] faith, we have peace with Him through our Lord Jesus Christ.
2 Corinthians 5:19
That is, God was in Christ restoring the world to fellowship with Himself, not counting people's sins against them. And He entrusted to us the message of restoring people to fellowship [with Him].
Ephesians 2:13
But now [that you are] in [fellowship with] Christ, you [Gentiles], who were once far away [from God], have been brought near [to Him] through the blood of Christ.
Hebrews 13:20
Now may the God of peace, who brought back from the dead our Lord Jesus, the great Shepherd of the sheep [i.e., the church], through the blood of the never ending Agreement [i.e., Christ's blood],
1 John 4:9
Here is the way God's love for us was demonstrated; He sent His one and only Son into the world so that we could have [spiritual] life through Him.

Reconcile

2 Corinthians 5:18
All [these] things are from God, who restored us to fellowship with Himself through Christ, and gave us the ministry of restoring [other] people to [such] fellowship.
Hebrews 2:17
So, for this reason, He had to become like His brothers in every way [i.e., except that He never sinned], so that He could become a merciful and faithful Head Priest in things related to God's [service], [and] that He could provide a means of purifying [Lev. 16:30] for people's sins [i.e., make atonement for them].

Things in earth

Ephesians 1:10
[He did this] to fulfill His plan at the proper time, by bringing together everything [in the universe] under Christ's headship --- things both in heaven and on earth.
Philippians 2:10
[This was] so that, in [honor of] the name of Jesus, everyone's knee in heaven, on earth and under the earth [i.e., all rational creatures] should bow [i.e., before God],