2 Peter 1:9

For he in whom these things are not present is blind and cannot see afar off and has forgotten that he was purged from his sins in the past.

Ephesians 5:26

that He might sanctify and cleanse it with the washing of water by the Word,

Hebrews 9:14

how much more shall the blood of Christ (who through the eternal Spirit offered Himself without spot to God) purge your conscience from dead works to serve the living God?

1 John 1:7

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

1 John 2:9-11

He who says he is in the light and hates his brother is in darkness until now.

Mark 10:21

Then Jesus, beholding him, loved him and said to him, One thing you lack. Go, sell whatever you have and give it to the poor, and you shall have treasure in Heaven. And come, take up the cross and follow Me.

Luke 18:22

And when Jesus heard these things, He said to him, Yet you lack one thing. Sell all that you have and distribute to the poor, and you shall have treasure in Heaven. And come, follow Me.

John 9:40-41

And those of the Pharisees who were with Him heard these words, and said to Him, Are we also blind?

Romans 6:1-4

What shall we say then? Shall we continue in sin so that grace may abound?

Romans 6:11

Likewise count yourselves also to be truly dead to sin, but alive to God through Jesus Christ our Lord.

2 Corinthians 4:3-4

But also if our gospel is hidden, it is hidden to those being lost,

Galatians 5:6

For in Christ Jesus neither circumcision nor uncircumcision has any strength, but faith working through love.

Galatians 5:13

For, brothers, you were called to liberty. Only do not use the liberty for an opening to the flesh, but by love serve one another.

Titus 2:14

who gave Himself for us that He might redeem us from all iniquity and purify to Himself a special people, zealous of good works.

James 2:14-26

My brothers, what profit is it if a man says he has faith and does not have works? Can faith save him?

1 Peter 3:21

which figure now also saves us, baptism; not a putting away of the filth of the flesh, but the answer of a good conscience toward God, by the resurrection of Jesus Christ;

2 Peter 1:4-7

through which He has given to us exceedingly great and precious promises, so that by these you might be partakers of the divine nature, having escaped the corruption that is in the world through lust.

2 Peter 2:18-20

For when they speak great swelling words of vanity, they lure through the lusts of the flesh, by unbridled lust, the ones who were escaping from those who live in error;

Revelation 3:17

Because you say, I am rich and increased with goods and have need of nothing, and 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
But also in this very thing, bringing in all diligence, filling out your faith with virtue, and with virtue, knowledge;
Mark 10:21
Then Jesus, beholding him, loved him and said to him, One thing you lack. Go, sell whatever you have and give it to the poor, and you shall have treasure in Heaven. And come, take up the cross and follow Me.
Luke 18:22
And when Jesus heard these things, He said to him, Yet you lack one thing. Sell all that you have and distribute 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 has any strength, but faith working through love.
James 2:14
My brothers, what profit is it if a man says he has faith and does not have works? Can faith save him?

Blind

John 9:40
And those of the Pharisees who were with Him heard these words, and said to Him, Are we also blind?
2 Corinthians 4:3
But also if our gospel is hidden, it is hidden to those being lost,
1 John 2:9
He who says he is in the light and hates his brother is in darkness until now.
Revelation 3:17
Because you say, I am rich and increased with goods and have need of nothing, and do not know that you are wretched and miserable and poor and blind and naked,

That he

2 Peter 1:4
through which He has given to us exceedingly great and precious promises, so that by these you might be partakers of the divine nature, having escaped the corruption that is in the world through lust.
2 Peter 2:18
For when they speak great swelling words of vanity, they lure through the lusts of the flesh, by unbridled lust, the ones who were escaping from those who live in error;
Romans 6:1
What shall we say then? Shall we continue in sin so that grace may abound?
Ephesians 5:26
that He might sanctify and cleanse it with the washing of water by the Word,
Hebrews 9:14
how much more shall the blood of Christ (who through the eternal Spirit offered Himself without spot to God) purge your conscience from dead works to serve the living God?
1 Peter 3:21
which figure now also saves us, baptism; not a putting away of the filth of the flesh, but the answer of a good conscience toward God, by the resurrection of Jesus Christ;
1 John 1:7
But if we walk in the light, as He is in the light, we have fellowship with one another, and the blood of Jesus Christ His Son cleanses us from all sin.

General references

Deuteronomy 6:17
You shall carefully keep the commandments of Jehovah your God, and His testimonies, and His statutes which He has commanded you.
Ecclesiastes 10:18
By slothfulness the building decays; and through lowering of the hands the house leaks.
Luke 11:35
Therefore take heed that the light in you is not darkness.