2 Peter 1:9

But he that lacketh these things is blind and gropeth for the way with his hand, and hath forgotten that he was purged from his old sins.

Ephesians 5:26

to sanctify it, and cleansed it in the fountain of water through the word,

Hebrews 9:14

How much more shall the blood of Christ - which through the eternal spirit, offered himself without spot to God - purge your consciences from dead works, for to serve the living God?

1 John 1:7

but and if we walk in light even as he is in light, then have we fellowship together, and the blood of Jesus Christ his son cleanseth us from all sin.

1 John 2:9-11

He that saith how that he is in the light, and yet hateth his brother, is in darkness even until this time.

Mark 10:21

Jesus beheld him, and had a favour to him, and said unto him, "One thing is lacking unto thee. Go, and sell all that thou hast, and give it to the poor, and thou shalt have treasure in heaven: and come and follow me, and take up thy cross on thee."

Luke 18:22

When Jesus heard that, he said unto him, "Yet lackest thou one thing. Sell all that thou hast, and distribute it unto the poor, and thou shalt have treasure in heaven; and come, and follow me."

John 9:40-41

And some of the Pharisees which were with him, heard these words and said unto him, "Are we then blind?"

Romans 6:1-4

What shall we say then? Shall we continue in sin, that there may be abundance of grace?

Romans 6:11

Likewise, imagine ye also, that ye are dead concerning sin: but are alive unto God through Jesus Christ our Lord.

2 Corinthians 4:3-4

If our Gospel be yet hid, it is hid among them that are lost,

Galatians 5:6

For in Jesus Christ, neither is circumcision anything worth, neither yet uncircumcision: but faith, which by love is mighty in operation.

Galatians 5:13

Brethren, ye were called into liberty, only let not your liberty be an occasion unto the flesh but in love serve one another.

Titus 2:14

which gave himself for us, to redeem us from all unrighteousness, and to purge us a peculiar people unto himself, fervently given unto good works.

James 2:14-26

What availeth it, my brethren, though a man say he hath faith, when he hath no deeds? Can faith save him?

1 Peter 3:21

which signifieth baptism that now saveth us, not the putting away of the filth of the flesh, but in that a good conscience consenteth to God, by the resurrection of Jesus Christ,

2 Peter 1:4-7

by the means whereof are given unto us excellent and most great promises; that by the help of them ye should be partakers of the godly nature, in that ye flee the corruption of worldly lust.

2 Peter 2:18-20

For when they have spoken the swelling words of vanity, they beguile with wantonness through the lusts of the flesh them that were clean escaped: but now are wrapped in errors.

Revelation 3:17

because thou sayest thou art rich and increased with goods, and hast need of nothing, and knowest not how thou art wretched and miserable, 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.

Bible References

Lacketh

2 Peter 1:5
And hereunto, give all diligence: In your faith, minister virtue; and in virtue, knowledge;
Mark 10:21
Jesus beheld him, and had a favour to him, and said unto him, "One thing is lacking unto thee. Go, and sell all that thou hast, and give it to the poor, and thou shalt have treasure in heaven: and come and follow me, and take up thy cross on thee."
Luke 18:22
When Jesus heard that, he said unto him, "Yet lackest thou one thing. Sell all that thou hast, and distribute it unto the poor, and thou shalt have treasure in heaven; and come, and follow me."
Galatians 5:6
For in Jesus Christ, neither is circumcision anything worth, neither yet uncircumcision: but faith, which by love is mighty in operation.
James 2:14
What availeth it, my brethren, though a man say he hath faith, when he hath no deeds? Can faith save him?

Blind

John 9:40
And some of the Pharisees which were with him, heard these words and said unto him, "Are we then blind?"
2 Corinthians 4:3
If our Gospel be yet hid, it is hid among them that are lost,
1 John 2:9
He that saith how that he is in the light, and yet hateth his brother, is in darkness even until this time.
Revelation 3:17
because thou sayest thou art rich and increased with goods, and hast need of nothing, and knowest not how thou art wretched and miserable, poor, blind, and naked.

That he

2 Peter 1:4
by the means whereof are given unto us excellent and most great promises; that by the help of them ye should be partakers of the godly nature, in that ye flee the corruption of worldly lust.
2 Peter 2:18
For when they have spoken the swelling words of vanity, they beguile with wantonness through the lusts of the flesh them that were clean escaped: but now are wrapped in errors.
Romans 6:1
What shall we say then? Shall we continue in sin, that there may be abundance of grace?
Ephesians 5:26
to sanctify it, and cleansed it in the fountain of water through the word,
Hebrews 9:14
How much more shall the blood of Christ - which through the eternal spirit, offered himself without spot to God - purge your consciences from dead works, for to serve the living God?
1 Peter 3:21
which signifieth baptism that now saveth us, not the putting away of the filth of the flesh, but in that a good conscience consenteth to God, by the resurrection of Jesus Christ,
1 John 1:7
but and if we walk in light even as he is in light, then have we fellowship together, and the blood of Jesus Christ his son cleanseth us from all sin.

General references

Deuteronomy 6:17
But see that ye keep the commandments of the LORD your God, his witnesses and his ordinances which he hath commanded thee,
Ecclesiastes 10:18
Through slothfulness the balks fall down, and through idle hands it raineth in at the house.
Luke 11:35
Take heed therefore that the light which is in thee, be not darkness.