Jude 1:4

For certain persons have crept in unnoticed, those who were long beforehand marked out for this condemnation, ungodly persons who turn the grace of our God into licentiousness and deny our only Master and Lord, Jesus Christ.

Galatians 2:4

But it was because of the false brethren secretly brought in, who had sneaked in to spy out our liberty which we have in Christ Jesus, in order to bring us into bondage.

1 Peter 2:8

and,
A stone of stumbling and a rock of offense”;
for they stumble because they are disobedient to the word, and to this doom they were also appointed.

1 John 2:22

Who is the liar but the one who denies that Jesus is the Christ? This is the antichrist, the one who denies the Father and the Son.

2 Timothy 3:6

For among them are those who enter into households and captivate weak women weighed down with sins, led on by various impulses,

2 Samuel 22:5

“For the waves of death encompassed me;
The torrents of destruction overwhelmed me;

Psalm 1:1

How blessed is the man who does not walk in the counsel of the wicked,
Nor stand in the path of sinners,
Nor sit in the seat of scoffers!

Psalm 62:2

He only is my rock and my salvation,
My stronghold; I shall not be greatly shaken.

Matthew 13:25

But while his men were sleeping, his enemy came and sowed tares among the wheat, and went away.

John 17:3

This is eternal life, that they may know You, the only true God, and Jesus Christ whom You have sent.

Acts 11:23

Then when he arrived and witnessed the grace of God, he rejoiced and began to encourage them all with resolute heart to remain true to the Lord;

Acts 15:24

“Since we have heard that some of our number to whom we gave no instruction have disturbed you with their words, unsettling your souls,

Romans 6:1-2

What shall we say then? Are we to continue in sin so that grace may increase?

Romans 9:21-22

Or does not the potter have a right over the clay, to make from the same lump one vessel for honorable use and another for common use?

Galatians 5:13

For you were called to freedom, brethren; only do not turn your freedom into an opportunity for the flesh, but through love serve one another.

Ephesians 4:14

As a result, we are no longer to be children, tossed here and there by waves and carried about by every wind of doctrine, by the trickery of men, by craftiness in deceitful scheming;

1 Timothy 6:15-16

which He will bring about at the proper time—He who is the blessed and only Sovereign, the King of kings and Lord of lords,

Titus 1:15-16

To the pure, all things are pure; but to those who are defiled and unbelieving, nothing is pure, but both their mind and their conscience are defiled.

Titus 2:11-12

For the grace of God has appeared, bringing salvation to all men,

Hebrews 12:15-16

See to it that no one comes short of the grace of God; that no root of bitterness springing up causes trouble, and by it many be defiled;

1 Peter 2:16

Act as free men, and do not use your freedom as a covering for evil, but use it as bondslaves of God.

1 Peter 4:18

And if it is with difficulty that the righteous is saved, what will become of the godless man and the sinner?

2 Peter 2:1-3

But false prophets also arose among the people, just as there will also be false teachers among you, who will secretly introduce destructive heresies, even denying the Master who bought them, bringing swift destruction upon themselves.

2 Peter 2:5-6

and did not spare the ancient world, but preserved Noah, a preacher of righteousness, with seven others, when He brought a flood upon the world of the ungodly;

2 Peter 2:10

and especially those who indulge the flesh in its corrupt desires and despise authority.Daring, self-willed, they do not tremble when they revile angelic majesties,

2 Peter 2:18-22

For speaking out arrogant words of vanity they entice by fleshly desires, by sensuality, those who barely escape from the ones who live in error,

2 Peter 3:7

But by His word the present heavens and earth are being reserved for fire, kept for the day of judgment and destruction of ungodly men.

Jude 1:15

to execute judgment upon all, and to convict all the ungodly of all their ungodly deeds which they have done in an ungodly way, and of all the harsh things which ungodly sinners have spoken against Him.”

Revelation 15:4

Who will not fear, O Lord, and glorify Your name?
For You alone are holy;
For all the nations will come and worship before You,
For Your righteous acts have been revealed.”

Treasury of Scripture Knowledge

Summary

For there are certain men crept in unawares, who were before of old ordained to this condemnation, ungodly men, turning the grace of our God into lasciviousness, and denying the only Lord God, and our Lord Jesus Christ.

Bible References

Crept

Matthew 13:25
But while his men were sleeping, his enemy came and sowed tares among the wheat, and went away.
Acts 15:24
“Since we have heard that some of our number to whom we gave no instruction have disturbed you with their words, unsettling your souls,
Galatians 2:4
But it was because of the false brethren secretly brought in, who had sneaked in to spy out our liberty which we have in Christ Jesus, in order to bring us into bondage.
Ephesians 4:14
As a result, we are no longer to be children, tossed here and there by waves and carried about by every wind of doctrine, by the trickery of men, by craftiness in deceitful scheming;
2 Timothy 3:6
For among them are those who enter into households and captivate weak women weighed down with sins, led on by various impulses,
2 Peter 2:1
But false prophets also arose among the people, just as there will also be false teachers among you, who will secretly introduce destructive heresies, even denying the Master who bought them, bringing swift destruction upon themselves.

Who

Romans 9:21
Or does not the potter have a right over the clay, to make from the same lump one vessel for honorable use and another for common use?
1 Peter 2:8
and,
A stone of stumbling and a rock of offense”;
for they stumble because they are disobedient to the word, and to this doom they were also appointed.
2 Peter 2:3
and in their greed they will exploit you with false words; their judgment from long ago is not idle, and their destruction is not asleep.

Turning

Romans 6:1
What shall we say then? Are we to continue in sin so that grace may increase?
Galatians 5:13
For you were called to freedom, brethren; only do not turn your freedom into an opportunity for the flesh, but through love serve one another.
Titus 2:11
For the grace of God has appeared, bringing salvation to all men,
Hebrews 12:15
See to it that no one comes short of the grace of God; that no root of bitterness springing up causes trouble, and by it many be defiled;
1 Peter 2:16
Act as free men, and do not use your freedom as a covering for evil, but use it as bondslaves of God.
2 Peter 2:10
and especially those who indulge the flesh in its corrupt desires and despise authority.Daring, self-willed, they do not tremble when they revile angelic majesties,

Denying

Titus 1:15
To the pure, all things are pure; but to those who are defiled and unbelieving, nothing is pure, but both their mind and their conscience are defiled.
2 Peter 2:1
But false prophets also arose among the people, just as there will also be false teachers among you, who will secretly introduce destructive heresies, even denying the Master who bought them, bringing swift destruction upon themselves.
1 John 2:22
Who is the liar but the one who denies that Jesus is the Christ? This is the antichrist, the one who denies the Father and the Son.

General references

Leviticus 15:8
Or if the man with the discharge spits on one who is clean, he too shall wash his clothes and bathe in water and be unclean until evening.
Matthew 24:11
Many false prophets will arise and will mislead many.
1 Timothy 5:15
for some have already turned aside to follow Satan.
James 2:19
You believe that God is one. You do well; the demons also believe, and shudder.