2 Peter 1:9

For whoever lacks these qualities is blind -- or short-sighted-- and forgetful of the cleansing that he has received from his former sins.

Ephesians 5:26

to consecrate her, after cleansing her through His word, as pictured in the water bath,

Hebrews 9:14

how much more surely will the blood of Christ, who with an eternal Spirit gave Himself a spotless offering to God, purify your consciences from works that mean mere death, to serve the ever living God?

1 John 1:7

But if we continue to live in the light, just as He is in the light, we have unbroken fellowship with one another, and the blood of Jesus His Son continues to cleanse us from every sin.

1 John 2:9-11

Whoever claims to be in the light, and yet continues to hate his brother is still in darkness.

Mark 10:21

Then Jesus looked at him and loved him, and said to him, "You lack one thing. Go, sell everything you have, and give the money to the poor, and you will have riches in heaven; then come back and follow me."

Luke 18:22

When Jesus heard this, He said to him, "One thing you still lack. Sell everything you have, and distribute the money among the poor, and you will have riches in heaven; then come back and follow me."

John 9:40-41

Some of the Pharisees who were with Him heard this, and asked Him, "We are not blind, are we?"

Romans 6:1-4

What is our conclusion then? Are we to continue to sin for His unmerited favor to multiply?

Romans 6:11

So you too must consider yourselves as having ended your relation to sin but living in unbroken relation to God.

2 Corinthians 4:3-4

If the meaning of the good news I preach is covered up at all, it is so only in the case of those who are on the way to destruction.

Galatians 5:6

For in union with Christ Jesus neither circumcision nor lack of it counts for anything; but only faith that is spurred on to action by love.

Galatians 5:13

For you, brothers, were called to freedom; only you must not let your freedom be an excuse for the gratification of your lower nature, but in love be slaves to one another.

Titus 2:14

who gave Himself for us to ransom us from all iniquity and purify for Himself a people to be His very own, zealous of good works.

James 2:14-26

My brothers, what good is there in a man's saying that he has faith, if he has no good deeds to prove it? Such faith cannot save him, can it?

1 Peter 3:21

Baptism, which corresponds to this figure, now saves you, too -- I do not mean the mere removal of physical stains, but the craving for a clear conscience toward God -- through the resurrection of Jesus Christ,

2 Peter 1:4-7

It is through these that He has given us His precious and glorious promises, so that through them, after you have escaped from the corruption that is in the world because of evil desires, you may come to share in the divine nature.

2 Peter 2:18-20

For by uttering arrogant nonsense, through base desires of the lower nature, they entice into immorality men who are just escaping from those who live in error,

Revelation 3:17

Because you say, 'I am rich, I have already become rich, I need nothing,' and you do not know that you are the very one that is wretched, pitiable, poor, blind, and naked;

Treasury of Scripture Knowledge

Summary

But he that lacketh these things is blind, and cannot see afar off, and hath forgotten that he was purged from his old sins.

General references

Bible References

Lacketh

2 Peter 1:5
Now for this very reason you must do your level best to supplement your faith with moral character, moral character with knowledge,
Mark 10:21
Then Jesus looked at him and loved him, and said to him, "You lack one thing. Go, sell everything you have, and give the money to the poor, and you will have riches in heaven; then come back and follow me."
Luke 18:22
When Jesus heard this, He said to him, "One thing you still lack. Sell everything you have, and distribute the money among the poor, and you will have riches in heaven; then come back and follow me."
Galatians 5:6
For in union with Christ Jesus neither circumcision nor lack of it counts for anything; but only faith that is spurred on to action by love.
James 2:14
My brothers, what good is there in a man's saying that he has faith, if he has no good deeds to prove it? Such faith cannot save him, can it?

Blind

John 9:40
Some of the Pharisees who were with Him heard this, and asked Him, "We are not blind, are we?"
2 Corinthians 4:3
If the meaning of the good news I preach is covered up at all, it is so only in the case of those who are on the way to destruction.
1 John 2:9
Whoever claims to be in the light, and yet continues to hate his brother is still in darkness.
Revelation 3:17
Because you say, 'I am rich, I have already become rich, I need nothing,' and you do not know that you are the very one that is wretched, pitiable, poor, blind, and naked;

That he

2 Peter 1:4
It is through these that He has given us His precious and glorious promises, so that through them, after you have escaped from the corruption that is in the world because of evil desires, you may come to share in the divine nature.
2 Peter 2:18
For by uttering arrogant nonsense, through base desires of the lower nature, they entice into immorality men who are just escaping from those who live in error,
Romans 6:1
What is our conclusion then? Are we to continue to sin for His unmerited favor to multiply?
Ephesians 5:26
to consecrate her, after cleansing her through His word, as pictured in the water bath,
Hebrews 9:14
how much more surely will the blood of Christ, who with an eternal Spirit gave Himself a spotless offering to God, purify your consciences from works that mean mere death, to serve the ever living God?
1 Peter 3:21
Baptism, which corresponds to this figure, now saves you, too -- I do not mean the mere removal of physical stains, but the craving for a clear conscience toward God -- through the resurrection of Jesus Christ,
1 John 1:7
But if we continue to live in the light, just as He is in the light, we have unbroken fellowship with one another, and the blood of Jesus His Son continues to cleanse us from every sin.

General references

Luke 11:35
So be on your guard that the very source of light in you is not darkness.