2 Peter 2:21

For it were better for them not to have known the way of righteousness, than having knowing it, to turn back from the holy commandment delivered to them.

Ezekiel 18:24

But when a righteous man turns away from his righteousness, and commits iniquity, and does according to all the abominations that a wicked man does, shall he live? None of his righteous deeds that he has done shall be remembered. I

Luke 12:47

And that bondman who knew his lord's will, and who did not prepare, nor do according to his will, will be beaten much,

Romans 7:12

So the law is indeed holy, and the commandment is holy and righteous and good.

Hebrews 6:4-6

For it is impossible for those who were once enlightened, and who tasted of the heavenly gift, and who became partakers of Holy Spirit,

Psalm 36:3-4

The words of his mouth are iniquity and deceit. He has ceased to be wise [and] to do good.

Psalm 125:5

But as for such as turn aside to their crooked ways, LORD will lead them forth with the workers of iniquity. Peace be upon Israel.

Proverbs 12:28

Life is in the way of righteousness, and in the pathway thereof there is no death.

Proverbs 16:31

The hoary head is a crown of glory. It shall be found in the way of righteousness.

Ezekiel 3:20

Again, when a righteous man turns from his righteousness, and commits iniquity, and I lay a stumbling block before him, he shall die. Because thou have not given him warning, he shall die in his sin, and his righteous deeds which h

Ezekiel 23:13

And I saw that she was defiled. They both took one way.

Zephaniah 1:6

and those who are turned back from following LORD, and those who have not sought LORD, nor inquired after him.

Matthew 11:23-24

And thou, Capernaum, which was exalted as far as the sky. Thou will be brought down as far as Hades, because if the mighty works had occurred in Sodom that occurred in thee, it would have remained until this day.

Matthew 21:32

For John came to you in a way of righteousness, and ye did not believe him, but the tax collectors and the harlots believed him. And having seen it, ye did not repent afterward to believe him.

John 9:41

Jesus said to them, If ye were blind, ye would have no sin, but now ye say, We see, therefore your sin remains.

John 15:22

If I had not come and spoken to them, they would not have had sin, but now they have no excuse for their sin.

1 Thessalonians 4:2

For ye know what commandments we gave you through the Lord Jesus.

James 4:17

He therefore who knows to do good, and is not doing it, to him it is sin.

Treasury of Scripture Knowledge

Summary

For it had been better for them not to have known the way of righteousness, than, after they have known it, to turn from the holy commandment delivered unto them.

Bible References

It had

Matthew 11:23
And thou, Capernaum, which was exalted as far as the sky. Thou will be brought down as far as Hades, because if the mighty works had occurred in Sodom that occurred in thee, it would have remained until this day.
Luke 12:47
And that bondman who knew his lord's will, and who did not prepare, nor do according to his will, will be beaten much,
John 9:41
Jesus said to them, If ye were blind, ye would have no sin, but now ye say, We see, therefore your sin remains.
John 15:22
If I had not come and spoken to them, they would not have had sin, but now they have no excuse for their sin.

The way

Proverbs 12:28
Life is in the way of righteousness, and in the pathway thereof there is no death.
Proverbs 16:31
The hoary head is a crown of glory. It shall be found in the way of righteousness.
Matthew 21:32
For John came to you in a way of righteousness, and ye did not believe him, but the tax collectors and the harlots believed him. And having seen it, ye did not repent afterward to believe him.

To turn

Psalm 36:3
The words of his mouth are iniquity and deceit. He has ceased to be wise [and] to do good.
Psalm 125:5
But as for such as turn aside to their crooked ways, LORD will lead them forth with the workers of iniquity. Peace be upon Israel.
Ezekiel 3:20
Again, when a righteous man turns from his righteousness, and commits iniquity, and I lay a stumbling block before him, he shall die. Because thou have not given him warning, he shall die in his sin, and his righteous deeds which h
Ezekiel 18:24
But when a righteous man turns away from his righteousness, and commits iniquity, and does according to all the abominations that a wicked man does, shall he live? None of his righteous deeds that he has done shall be remembered. I
Ezekiel 23:13
And I saw that she was defiled. They both took one way.
Zephaniah 1:6
and those who are turned back from following LORD, and those who have not sought LORD, nor inquired after him.

Holy

Romans 7:12
So the law is indeed holy, and the commandment is holy and righteous and good.
1 Thessalonians 4:2
For ye know what commandments we gave you through the Lord Jesus.

General references

Genesis 24:6
And Abraham said to him, Beware thou that thou not bring my son there again.
Numbers 14:4
And they said one to another, Let us make a captain, and let us return into Egypt.
Deuteronomy 14:7
Nevertheless of those that chew the cud, or of those that have the hoof cloven, these ye shall not eat: the camel, and the hare, and the coney, because they chew the cud but do not part the hoof, they are unclean to you,
Jeremiah 34:11
But afterwards they turned, and caused the servants and the handmaids, whom they had let go free, to return, and brought them into subjection for servants and for handmaids.
Ezekiel 33:18
When the righteous man turns from his righteousness, and commits iniquity, he shall even die in it.
Matthew 7:27
And the rain descended, and the torrents came, and the winds blew, and beat upon that house, and it fell. And great was the fall of it.
Luke 14:30
saying, This man began to build, and was not able to finish.
Luke 17:32
Remember Lot's wife.
1 Timothy 5:15
For some have already turned aside after Satan.