Titus 1:16

They profess that they know God; but in works they deny him, being abominable, and disobedient, and unto every good work reprobate.

1 John 2:4

He that says, I know him, and keeps not his commandments, is a liar, and the truth is not in him.

Isaiah 29:13

Therefore the Lord said, Since this people draw near me with their mouth, and with their lips do honor me, but have removed their heart far from me, and their fear toward me is taught by the precept of men:

Ezekiel 33:31

And they come unto you as the people comes, and they sit before you as my people, and they hear your words, but they will not do them: for with their mouth they show much love, but their heart goes after their covetousness.

1 Timothy 5:8

But if any provide not for his own, and especially for those of his own house, he has denied the faith, and is worse than an unbeliever.

2 Timothy 3:5-8

Having a form of godliness, but denying the power thereof: from such turn away.

Jude 1:4

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 licentiousness, and denying the only Lord God, and our Lord Jesus Christ.

1 Samuel 15:22

And Samuel said, has the LORD as great delight in burnt offerings and sacrifices, as in obeying the voice of the LORD? Behold, to obey is better than sacrifice, and to hearken than the fat of rams.

Revelation 21:8

But the fearful, and unbelieving, and the abominable, and murderers, and fornicators, and sorcerers, and idolaters, and all liars, shall have their part in the lake which burns with fire and brimstone: which is the second death.

Numbers 24:16

He has said, who heard the words of God, and knew the knowledge of the most High, who saw the vision of the Almighty, falling into a trance, but having his eyes open:

Isaiah 48:1

Hear this, O house of Jacob, who are called by the name of Israel, and have come forth out of the waters of Judah, who swear by the name of the LORD, and make mention of the God of Israel, but not in truth, nor in righteousness.

Isaiah 58:2

Yet they seek me daily, and delight to know my ways, as a nation that did righteousness, and forsook not the ordinance of their God: they ask of me the ordinances of justice; they take delight in approaching God.

Jeremiah 6:30

Rejected silver shall men call them, because the LORD has rejected them.

Hosea 8:2-3

Israel shall cry unto me, My God, we know you.

Romans 1:28

And even as they did not like to retain God in their knowledge, God gave them over to a reprobate mind, to do those things which are not proper;

Ephesians 5:6

Let no man deceive you with vain words: for because of these things comes the wrath of God upon the children of disobedience.

Revelation 21:27

And there shall in no way enter into it anything that defiles, neither whatsoever works abomination, or makes a lie: but they who are written in the Lamb's book of life.

1 Timothy 1:9

Knowing this, that the law is not made for a righteous man, but for the lawless and disobedient, for the ungodly and for sinners, for unholy and profane, for murderers of fathers and murderers of mothers, for manslayers,

1 Samuel 15:24

And Saul said unto Samuel, I have sinned: for I have transgressed the commandment of the LORD, and your words: because I feared the people, and obeyed their voice.

Job 15:16

How much more abominable and filthy is man, who drinks iniquity like water?

Romans 2:18-24

And know his will, and approve the things that are more excellent, being instructed out of the law;

Treasury of Scripture Knowledge

Summary

They profess that they know God; but in works they deny him, being abominable, and disobedient, and unto every good work reprobate.

Bible References

Profess

Numbers 24:16
He has said, who heard the words of God, and knew the knowledge of the most High, who saw the vision of the Almighty, falling into a trance, but having his eyes open:
Isaiah 29:13
Therefore the Lord said, Since this people draw near me with their mouth, and with their lips do honor me, but have removed their heart far from me, and their fear toward me is taught by the precept of men:
Isaiah 48:1
Hear this, O house of Jacob, who are called by the name of Israel, and have come forth out of the waters of Judah, who swear by the name of the LORD, and make mention of the God of Israel, but not in truth, nor in righteousness.
Isaiah 58:2
Yet they seek me daily, and delight to know my ways, as a nation that did righteousness, and forsook not the ordinance of their God: they ask of me the ordinances of justice; they take delight in approaching God.
Ezekiel 33:31
And they come unto you as the people comes, and they sit before you as my people, and they hear your words, but they will not do them: for with their mouth they show much love, but their heart goes after their covetousness.
Hosea 8:2
Israel shall cry unto me, My God, we know you.
Romans 2:18
And know his will, and approve the things that are more excellent, being instructed out of the law;
2 Timothy 3:5
Having a form of godliness, but denying the power thereof: from such turn away.
Jude 1:4
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 licentiousness, and denying the only Lord God, and our Lord Jesus Christ.

Being

Job 15:16
How much more abominable and filthy is man, who drinks iniquity like water?
Revelation 21:8
But the fearful, and unbelieving, and the abominable, and murderers, and fornicators, and sorcerers, and idolaters, and all liars, shall have their part in the lake which burns with fire and brimstone: which is the second death.

And disobedient

1 Samuel 15:22
And Samuel said, has the LORD as great delight in burnt offerings and sacrifices, as in obeying the voice of the LORD? Behold, to obey is better than sacrifice, and to hearken than the fat of rams.
Ephesians 5:6
Let no man deceive you with vain words: for because of these things comes the wrath of God upon the children of disobedience.
1 Timothy 1:9
Knowing this, that the law is not made for a righteous man, but for the lawless and disobedient, for the ungodly and for sinners, for unholy and profane, for murderers of fathers and murderers of mothers, for manslayers,

Unto

Jeremiah 6:30
Rejected silver shall men call them, because the LORD has rejected them.
Romans 1:28
And even as they did not like to retain God in their knowledge, God gave them over to a reprobate mind, to do those things which are not proper;
2 Timothy 3:8
Now as Jannes and Jambres withstood Moses, so do these also resist the truth: men of corrupt minds, reprobate concerning the faith.

General references

Numbers 23:12
And he answered and said, Must I not take heed to speak that which the LORD has put in my mouth?
Deuteronomy 14:7
Nevertheless these you shall not eat of them that chew the cud, or of them that have cloven hooves; as the camel, and the hare, and the rock badger: for they chew the cud, but divide not the hoof; therefore they are unclean unto you.
Hosea 8:2
Israel shall cry unto me, My God, we know you.