2 Peter 2:4

For if God spared not the angels that sinned, but cast them down into hell, and delivered them in chains of darkness, to be kept unto judgement;

Jude 1:6

The angels also, which kept not their first estate, but left their own habitation, he hath reserved in everlasting chains under darkness unto the judgment of the great day:

Matthew 25:41

Then shall the King say unto them that shall be on the left hand, 'Depart from me ye cursed, into everlasting fire, which is prepared for the devil and his angels.

Isaiah 14:12

How art thou fallen from heaven, O Lucifer, thou fair morning child! How hast thou gotten a fall, even to the ground; thou that didst subdue the people?

Revelation 20:10

and the devil that deceived them, was cast into a lake of fire and brimstone, where the beast and the false prophet were and shall be tormented day and night for ever more.

Revelation 12:7-9

And there was great battle in heaven, Michael and his angels fought with the dragon and the dragon fought and his angels,

Job 4:18

Behold, he hath found unfaithfulness among his own servants, and proud disobedience among his angels.

Job 21:30

that the wicked is kept unto the day of destruction, and that the ungodly shall be brought forth in the day of wrath.

Ezekiel 5:11

Wherefore as truly as I live, sayeth the LORD God, seeing thou hast defiled my Sanctuary with all manner of abominations and with all thy shameful offenses: For this cause will I also destroy thee. Mine eye shall not oversee thee, neither will I spare thee.

Ezekiel 7:4

Mine eye shall not oversee thee, neither will I spare thee: but reward thee according to thy ways, and declare thy abominations. Then shall ye know that I am the LORD.

Ezekiel 7:9

Mine eye shall not oversee thee, neither will I spare thee; but reward thee after thy ways, and show thy abominations, to learn you for to know how that I am the LORD that smiteth.

Luke 8:31

And they besought him, that he would not command them to go out into the deep.

Luke 10:18

And he said unto them, "I saw Satan, as it had been lightning, fall down from heaven.

John 8:44

Ye are of your father the devil, and the lusts of your father, ye will do. He was a murderer from the beginning; And abode not in the truth, because there is no truth in him. When he speaketh a lie, then speaketh he of his own. For he is a liar, and the father thereof.

2 Peter 2:5

neither spared the old world, but saved Noah, the eighth preacher of righteousness, and brought in the flood upon the world of the ungodly;

2 Peter 2:9

The Lord knoweth how to deliver the godly out of temptation, and how to reserve the unjust unto the day of judgment for to be punished:

2 Peter 2:11

when the angels, which are greater both in power and might, receive not of the Lord railing judgment against them.

1 John 3:8

He that committeth sin is of the devil: for the devil sinneth since the beginning. But for this cause appeared the son of God, even to destroy the works of the devil.

Jude 1:13

They are raging waves of the sea, foaming out their own shame. They are wandering stars, to whom is reserved the mist of darkness forever.

Revelation 20:1-3

And I saw an angel come down from heaven, having the key of the bottomless pit, and a great chain in his hand.

Deuteronomy 29:20

"And so the LORD will not be merciful unto him, but then the wrath of the LORD and his jealousy, smoke against that man, and all the curses that are written in this book light upon him, and the LORD do out his name from under heaven,

Psalm 78:50

When he made a way to his fearful indignation, and spared not their souls from death, but gave their life over to the pestilence;

Matthew 8:29

And, behold, they cried out, saying, "O Jesus, the son of God, what have we to do with thee? Art thou come hither to torment us before the time be come?"

Mark 5:7

and cried with a loud voice and said, "What have I to do with thee, Jesus the son of the most highest God? I require thee in the name of God, that thou torment me not."

Romans 8:32

Which spared not his own son, but gave him for us all: How shall he not with him give us all things also?

Romans 11:21

seeing that God spared not the natural branches, lest haply he also spare not thee.

Treasury of Scripture Knowledge

Summary

For if God spared not the angels that sinned, but cast them down to hell, and delivered them into chains of darkness, to be reserved unto judgment;

Bible References

Spared

2 Peter 2:5
neither spared the old world, but saved Noah, the eighth preacher of righteousness, and brought in the flood upon the world of the ungodly;
Deuteronomy 29:20
"And so the LORD will not be merciful unto him, but then the wrath of the LORD and his jealousy, smoke against that man, and all the curses that are written in this book light upon him, and the LORD do out his name from under heaven,
Psalm 78:50
When he made a way to his fearful indignation, and spared not their souls from death, but gave their life over to the pestilence;
Ezekiel 5:11
Wherefore as truly as I live, sayeth the LORD God, seeing thou hast defiled my Sanctuary with all manner of abominations and with all thy shameful offenses: For this cause will I also destroy thee. Mine eye shall not oversee thee, neither will I spare thee.
Ezekiel 7:4
Mine eye shall not oversee thee, neither will I spare thee: but reward thee according to thy ways, and declare thy abominations. Then shall ye know that I am the LORD.
Romans 8:32
Which spared not his own son, but gave him for us all: How shall he not with him give us all things also?
Romans 11:21
seeing that God spared not the natural branches, lest haply he also spare not thee.

The angels

Job 4:18
Behold, he hath found unfaithfulness among his own servants, and proud disobedience among his angels.
Luke 10:18
And he said unto them, "I saw Satan, as it had been lightning, fall down from heaven.
John 8:44
Ye are of your father the devil, and the lusts of your father, ye will do. He was a murderer from the beginning; And abode not in the truth, because there is no truth in him. When he speaketh a lie, then speaketh he of his own. For he is a liar, and the father thereof.
1 John 3:8
He that committeth sin is of the devil: for the devil sinneth since the beginning. But for this cause appeared the son of God, even to destroy the works of the devil.
Jude 1:6
The angels also, which kept not their first estate, but left their own habitation, he hath reserved in everlasting chains under darkness unto the judgment of the great day:

But

Isaiah 14:12
How art thou fallen from heaven, O Lucifer, thou fair morning child! How hast thou gotten a fall, even to the ground; thou that didst subdue the people?
Matthew 8:29
And, behold, they cried out, saying, "O Jesus, the son of God, what have we to do with thee? Art thou come hither to torment us before the time be come?"
Matthew 25:41
Then shall the King say unto them that shall be on the left hand, 'Depart from me ye cursed, into everlasting fire, which is prepared for the devil and his angels.
Mark 5:7
and cried with a loud voice and said, "What have I to do with thee, Jesus the son of the most highest God? I require thee in the name of God, that thou torment me not."
Luke 8:31
And they besought him, that he would not command them to go out into the deep.
Revelation 12:7
And there was great battle in heaven, Michael and his angels fought with the dragon and the dragon fought and his angels,
Revelation 20:2
And he took the dragon, that old serpent which is the devil and Satan, and he bound him a thousand years:

Into

2 Peter 2:11
when the angels, which are greater both in power and might, receive not of the Lord railing judgment against them.
Jude 1:6
The angels also, which kept not their first estate, but left their own habitation, he hath reserved in everlasting chains under darkness unto the judgment of the great day:

To be

2 Peter 2:9
The Lord knoweth how to deliver the godly out of temptation, and how to reserve the unjust unto the day of judgment for to be punished:
Job 21:30
that the wicked is kept unto the day of destruction, and that the ungodly shall be brought forth in the day of wrath.
Jude 1:13
They are raging waves of the sea, foaming out their own shame. They are wandering stars, to whom is reserved the mist of darkness forever.