Titus 1:16

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

1 John 2:4

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

Isaiah 29:13

Wherefore the Lord said, Forasmuch as 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 towards me is taught by the precept of men:

Ezekiel 33:31

And they come to thee as the people come, and they sit before thee as my people, and they hear thy words, but they will not do them: for with their mouth they show much love, but their heart goeth after their covetousness.

1 Timothy 5:8

But if any provideth not for his own, and especially for those of his own house, he hath denied the faith, and is worse than an infidel.

2 Timothy 3:5-8

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

Jude 1:4

For certain men have 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.

1 Samuel 15:22

And Samuel said, Hath 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 lewd men, and sorcerers, and idolaters, and all liars, shall have their part in the lake which burneth with fire and brimstone: which is the second death.

Numbers 24:16

He hath 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 ye 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 to God.

Jeremiah 6:30

Reprobate silver shall men call them, because the LORD hath rejected them.

Hosea 8:2-3

Israel shall cry to me, My God, we know thee.

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 convenient;

Ephesians 5:6

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

Revelation 21:27

And there shall in no wise enter into it any thing that defileth, neither whatever worketh abomination, or maketh 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 man-slayers,

1 Samuel 15:24

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

Job 15:16

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

Romans 2:18-24

And knowest his will, and approvest 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 hath 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
Wherefore the Lord said, Forasmuch as 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 towards me is taught by the precept of men:
Isaiah 48:1
Hear ye 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 to God.
Ezekiel 33:31
And they come to thee as the people come, and they sit before thee as my people, and they hear thy words, but they will not do them: for with their mouth they show much love, but their heart goeth after their covetousness.
Hosea 8:2
Israel shall cry to me, My God, we know thee.
Romans 2:18
And knowest his will, and approvest the things that are more excellent, being instructed out of the law,
2 Timothy 3:5
Having a form of godliness, but denying its power: from such turn away.
Jude 1:4
For certain men have 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.

Being

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

And disobedient

1 Samuel 15:22
And Samuel said, Hath 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 cometh 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 man-slayers,

Unto

Jeremiah 6:30
Reprobate silver shall men call them, because the LORD hath 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 convenient;
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 hath put in my mouth?
Deuteronomy 14:7
Nevertheless, these ye shall not eat, of them that chew the cud, or of them that divide the cloven hoof; the camel, and the hare, and the coney: for they chew the cud, but divide not the hoof; therefore they are unclean to you.
Hosea 8:2
Israel shall cry to me, My God, we know thee.