Jude 1:4

For certain men have craftily introduced themselves, who were from of old proscribed for this condemnation, ungodly men, changing the grace of God into impurity, and denying our only sovereign God and Lord, Jesus Christ.

Galatians 2:4

but this I did because of false brethren artfully introduced, who came to pry into our liberty which we hold in Christ Jesus, that they might bring us into bondage:

1 Peter 2:8

and a stone of stumbling, and rock of offence," to those who stumble at the word, disobedient; whereunto also they were appointed.

1 John 2:22

Who is the liar, but he that denieth that Jesus is the Messiah? This man is the antichrist, who denieth the Father and the Son.

2 Timothy 3:6

For such are they who insinuate themselves into houses, and captivate weak women laden with accumulated sins, and actuated by a variety of passions,

Matthew 13:25

and while the men were asleep, his enemy came and sowed zizane among the wheat, and departed.

John 17:3

and this is eternal life, that they should know thee the only true God, and him whom thou hast sent, Jesus, the Messiah.

Acts 11:23

Who, when he arrived there, and beheld the grace of God, rejoiced, and exhorted them all, with full purpose of heart to adhere to the Lord.

Acts 15:24

Forasmuch as we have heard, that certain persons who went out from us have disturbed you with discourses, unsettling your minds, insisting, that you should be circumcised, and observe the law: to whom we gave no such charge:

Romans 6:1-2

THAT then shall we say? Shall we abide in sin, that grace may abound?

Romans 9:21-22

Hath not the potter power over the clay, from the same mass to make one vessel for an honourable use, and another for a dishonourable?

Galatians 5:13

For ye have been called unto liberty, brethren; only use not that liberty as a pretext for carnality, but in love be subject one to another.

Ephesians 4:14

that we should be no longer infants, floating on the waves, and carried about with every wind of novel doctrine, by the juggling of men, by their craftiness after the delusive wiles of error;

1 Timothy 6:15-16

which in his own appointed times he will shew forth, who is the blessed and only Potentate, the King of kings, and Lord of lords;

Titus 1:15-16

All things indeed are clean to the clean: but to the defiled and to the unbelievers there is nothing clean; but their very mind and conscience are defiled.

Titus 2:11-12

For the grace of God which leads to salvation hath appeared unto all men,

Hebrews 12:15-16

carefully observing lest any of you fail of attaining the grace of God; lest any root of bitterness springing up trouble you, and by it many be defiled;

1 Peter 2:16

as free, yet not using liberty as a cloak for wicked practices; but as being servants of God.

1 Peter 4:18

And if the righteous man is hardly saved, where shall the ungodly and the sinner appear?

2 Peter 2:1-3

BUT there were false prophets among the people, as there will be false teachers also among you, who wickedly introduce damnable heresies, and deny the sovereign Lord who bought them, bringing on themselves swift destruction.

2 Peter 2:5-6

and spared not the old world, but guarded safely Noah the eighth person, the preacher of righteousness, when he brought a deluge on the world of the ungodly:

2 Peter 2:10

especially such as walk after the flesh in the eager pursuit of defilement, and despise government. Daring, self-sufficient, they tremble not at dignities, railing against them.

2 Peter 2:18-22

Uttering pompous discourses of inanity, ensnaring by the lusts of the flesh, by lascivious impurities, those who had truly escaped from such as live in a course of delusion.

2 Peter 3:7

but the present heavens and earth by the same word are treasured up, reserved for fire at the day of judgment and perdition of ungodly men.

Jude 1:15

to execute judgment against all men, and to convict all the ungodly of all their deeds of ungodliness which they have impiously committed, and of all the bitter words which impious offenders have spoken against him.

Revelation 15:4

Who should not fear thee, O Lord, and glorify thy name? because thou only art holy: for all nations shall come and worship before thee, because thy righteous judgments are made evident.

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
and while the men were asleep, his enemy came and sowed zizane among the wheat, and departed.
Acts 15:24
Forasmuch as we have heard, that certain persons who went out from us have disturbed you with discourses, unsettling your minds, insisting, that you should be circumcised, and observe the law: to whom we gave no such charge:
Galatians 2:4
but this I did because of false brethren artfully introduced, who came to pry into our liberty which we hold in Christ Jesus, that they might bring us into bondage:
Ephesians 4:14
that we should be no longer infants, floating on the waves, and carried about with every wind of novel doctrine, by the juggling of men, by their craftiness after the delusive wiles of error;
2 Timothy 3:6
For such are they who insinuate themselves into houses, and captivate weak women laden with accumulated sins, and actuated by a variety of passions,
2 Peter 2:1
BUT there were false prophets among the people, as there will be false teachers also among you, who wickedly introduce damnable heresies, and deny the sovereign Lord who bought them, bringing on themselves swift destruction.

Who

Romans 9:21
Hath not the potter power over the clay, from the same mass to make one vessel for an honourable use, and another for a dishonourable?
1 Peter 2:8
and a stone of stumbling, and rock of offence," to those who stumble at the word, disobedient; whereunto also they were appointed.
2 Peter 2:3
And with plausible speeches will they avariciously make gain of you whose condemnation from of old lingereth not, and their perdition doth not slumber.

Turning

Romans 6:1
THAT then shall we say? Shall we abide in sin, that grace may abound?
Galatians 5:13
For ye have been called unto liberty, brethren; only use not that liberty as a pretext for carnality, but in love be subject one to another.
Titus 2:11
For the grace of God which leads to salvation hath appeared unto all men,
Hebrews 12:15
carefully observing lest any of you fail of attaining the grace of God; lest any root of bitterness springing up trouble you, and by it many be defiled;
1 Peter 2:16
as free, yet not using liberty as a cloak for wicked practices; but as being servants of God.
2 Peter 2:10
especially such as walk after the flesh in the eager pursuit of defilement, and despise government. Daring, self-sufficient, they tremble not at dignities, railing against them.

Denying

Titus 1:15
All things indeed are clean to the clean: but to the defiled and to the unbelievers there is nothing clean; but their very mind and conscience are defiled.
2 Peter 2:1
BUT there were false prophets among the people, as there will be false teachers also among you, who wickedly introduce damnable heresies, and deny the sovereign Lord who bought them, bringing on themselves swift destruction.
1 John 2:22
Who is the liar, but he that denieth that Jesus is the Messiah? This man is the antichrist, who denieth the Father and the Son.

General references

Matthew 24:11
And many false prophets shall arise, and shall deceive many.
1 Timothy 5:15
For some are already turned aside after Satan.
James 2:19
Thou believest that there is one God; thou doest well: the devils also believe and tremble.