2 Peter 1:9

For he who lacks these qualities is blind or short-sighted, having forgotten his purification from his former sins.

Ephesians 5:26

so that He might sanctify her, having cleansed her by the washing of water with the word,

Hebrews 9:14

how much more will the blood of Christ, who through the eternal Spirit offered Himself without blemish to God, cleanse your conscience from dead works to serve the living God?

1 John 1:7

but if we walk in the Light as He Himself is in the Light, we have fellowship with one another, and the blood of Jesus His Son cleanses us from all sin.

1 John 2:9-11

The one who says he is in the Light and yet hates his brother is in the darkness until now.

Mark 10:21

Looking at him, Jesus felt a love for him and said to him, “One thing you lack: go and sell all you possess and give to the poor, and you will have treasure in heaven; and come, follow Me.”

Luke 18:22

When Jesus heard this, He said to him, “One thing you still lack; sell all that you possess and distribute it to the poor, and you shall have treasure in heaven; and come, follow Me.”

John 9:40-41

Those of the Pharisees who were with Him heard these things and said to Him, “We are not blind too, are we?”

Romans 6:1-4

What shall we say then? Are we to continue in sin so that grace may increase?

Romans 6:11

Even so consider yourselves to be dead to sin, but alive to God in Christ Jesus.

2 Corinthians 4:3-4

And even if our gospel is veiled, it is veiled to those who are perishing,

Galatians 5:6

For in Christ Jesus neither circumcision nor uncircumcision means anything, but faith working through love.

Galatians 5:13

For you were called to freedom, brethren; only do not turn your freedom into an opportunity for the flesh, but through love serve one another.

Titus 2:14

who gave Himself for us to redeem us from every lawless deed, and to purify for Himself a people for His own possession, zealous for good deeds.

James 2:14-26

What use is it, my brethren, if someone says he has faith but he has no works? Can that faith save him?

1 Peter 3:21

Corresponding to that, baptism now saves you—not the removal of dirt from the flesh, but an appeal to God for a good conscience—through the resurrection of Jesus Christ,

2 Peter 1:4-7

For by these He has granted to us His precious and magnificent promises, so that by them you may become partakers of the divine nature, having escaped the corruption that is in the world by lust.

2 Peter 2:18-20

For speaking out arrogant words of vanity they entice by fleshly desires, by sensuality, those who barely escape from the ones who live in error,

Revelation 3:17

Because you say, “I am rich, and have become wealthy, and have need of nothing,” and you do not know that you are wretched and miserable and poor and 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.

Bible References

Lacketh

2 Peter 1:5
Now for this very reason also, applying all diligence, in your faith supply moral excellence, and in your moral excellence, knowledge,
Mark 10:21
Looking at him, Jesus felt a love for him and said to him, “One thing you lack: go and sell all you possess and give to the poor, and you will have treasure in heaven; and come, follow Me.”
Luke 18:22
When Jesus heard this, He said to him, “One thing you still lack; sell all that you possess and distribute it to the poor, and you shall have treasure in heaven; and come, follow Me.”
Galatians 5:6
For in Christ Jesus neither circumcision nor uncircumcision means anything, but faith working through love.
James 2:14
What use is it, my brethren, if someone says he has faith but he has no works? Can that faith save him?

Blind

John 9:40
Those of the Pharisees who were with Him heard these things and said to Him, “We are not blind too, are we?”
2 Corinthians 4:3
And even if our gospel is veiled, it is veiled to those who are perishing,
1 John 2:9
The one who says he is in the Light and yet hates his brother is in the darkness until now.
Revelation 3:17
Because you say, “I am rich, and have become wealthy, and have need of nothing,” and you do not know that you are wretched and miserable and poor and blind and naked,

That he

2 Peter 1:4
For by these He has granted to us His precious and magnificent promises, so that by them you may become partakers of the divine nature, having escaped the corruption that is in the world by lust.
2 Peter 2:18
For speaking out arrogant words of vanity they entice by fleshly desires, by sensuality, those who barely escape from the ones who live in error,
Romans 6:1
What shall we say then? Are we to continue in sin so that grace may increase?
Ephesians 5:26
so that He might sanctify her, having cleansed her by the washing of water with the word,
Hebrews 9:14
how much more will the blood of Christ, who through the eternal Spirit offered Himself without blemish to God, cleanse your conscience from dead works to serve the living God?
1 Peter 3:21
Corresponding to that, baptism now saves you—not the removal of dirt from the flesh, but an appeal to God for a good conscience—through the resurrection of Jesus Christ,
1 John 1:7
but if we walk in the Light as He Himself is in the Light, we have fellowship with one another, and the blood of Jesus His Son cleanses us from all sin.

General references

Deuteronomy 6:17
You should diligently keep the commandments of the Lord your God, and His testimonies and His statutes which He has commanded you.
Ecclesiastes 10:18
Through indolence the rafters sag, and through slackness the house leaks.
Luke 11:35
Then watch out that the light in you is not darkness.