2 Corinthians 7:1

With these promises, dear friends, let us purify ourselves from everything that pollutes either body or spirit, and, in deepest reverence for God, aim at perfect holiness.

2 Corinthians 6:17-18

Therefore "Come out from among the nations, and separate yourselves from them," says the Lord, "and touch nothing impure; And I will welcome you;

1 Peter 2:11

Dear friends, I urge you, as pilgrims and strangers upon earth, to refrain from indulging the cravings of your earthly nature, for they make war upon the soul.

1 John 3:3

And every one who has this hope with regard to Christ tries to make himself pure--as Christ is pure.

Matthew 5:8

Blessed are the pure in heart, for they shall see God.

Matthew 5:48

You, then, must become perfect--as your heavenly Father is perfect.

Matthew 12:33

You must assume either that both tree and fruit are good, or that both tree and fruit are worthless; since it is by it's fruits that a tree is known.

Matthew 23:25-26

Alas for you, Teachers of the Law and Pharisees, hypocrites that you are! You clean the outside of the cup and the dish, but inside they are filled with the results of greed and self-indulgence.

Luke 11:39-40

But the Master said to him: "You Pharisees do, it is true, clean the outside of the cup and of the plate, but inside you yourselves are filled with greed and wickedness.

Acts 9:31

And so it came about that the Church, throughout Judea, Galilee, and Samaria, enjoyed peace and became firmly established; and, ordering its life by reverence for the Lord and the help of the Holy Spirit, it increased in numbers.

Romans 5:20-11

Law was introduced in order that offences might be multiplied. But, where sins were multiplied, the loving-kindness of God was lavished the more,

1 Corinthians 6:20

Moreover, you are not your own masters; you were bought, and the price was paid. Therefore, honor God in your bodies.

2 Corinthians 1:20

For, many as were the promises of God, in Christ is the 'Yes' that fulfils them. Therefore, through Christ again, let the 'Amen' rise, through us, to the glory of God.

Ephesians 2:3

And it was among them that we all once lived our lives, indulging the cravings of our earthly nature, and carrying out the desires prompted by that earthly nature and by our own thoughts. Our very nature exposed us to the Divine Wrath, like the rest of mankind.

Ephesians 4:12-13

To fit his People for the work of the ministry, for the building up of the Body of the Christ.

Philippians 3:12-15

Not that I have already laid hold of it, or that I am already made perfect. But I press on, in the hope of actually laying hold of that for which indeed I was laid hold of by Christ Jesus.

1 Thessalonians 3:13

And so make your hearts strong, and your lives pure beyond reproach, in the sight of our God and Father, at the Coming of our Lord Jesus, with all his Holy Ones.

1 Thessalonians 4:7

For God's Call to us does not permit of an impure life, but demands purity.

1 Thessalonians 5:23

May God himself, the giver of peace, make you altogether holy; and may your spirits, souls, and bodies be kept altogether faultless until the Coming of our Lord Jesus Christ.

Titus 2:11-14

For the loving-kindness of God has been revealed, bringing Salvation for all;

Hebrews 4:1

We must, therefore, be very careful, though there is a promise still standing that we shall enter upon God's Rest, that none of you even appear to have missed it.

Hebrews 12:23

to the festal gathering and assemblage of God's Eldest Sons whose names are enrolled in Heaven, to God the Judge of all men, to the spirits of the righteous who have attained perfection,

Hebrews 12:28

Therefore, let us, who have received a kingdom that cannot be shaken, be thankful, and so offer acceptable worship to God, with awe and reverence.

James 4:8

Draw near to God, and he will draw near to you. Make your hands clean, you sinners; and your hearts pure, you vacillating men!

1 Peter 1:22

Now that, by your obedience to the Truth, you have purified your lives, so that there is growing up among you a genuine brotherly affection, love one another earnestly with all your hearts;

1 Peter 5:10

God, from whom all help comes, and who called you, by your union with Christ, into his eternal glory, will, when you have suffered for a little while, himself perfect, establish, strengthen you.

2 Peter 1:4-8

For it was through this that he gave us what we prize as the greatest of his promises, that through them you might participate in the divine nature, now that you have fled from the corruption in the world, resulting from human passions.

1 John 1:7

But, if our lives are lived in the Light, as God himself is in the Light, we have communion with one another, and the Blood of Jesus, his Son, purifies us from all sin.

1 John 1:9

If we confess our sins, God may be trusted, in his righteousness, to forgive us our sins and purify us from all wickedness.

Treasury of Scripture Knowledge

Summary

Having therefore these promises, dearly beloved, let us cleanse ourselves from all filthiness of the flesh and spirit, perfecting holiness in the fear of God.

Bible References

Perfecting

Matthew 5:48
You, then, must become perfect--as your heavenly Father is perfect.
Ephesians 4:12
To fit his People for the work of the ministry, for the building up of the Body of the Christ.
Philippians 3:12
Not that I have already laid hold of it, or that I am already made perfect. But I press on, in the hope of actually laying hold of that for which indeed I was laid hold of by Christ Jesus.
1 Thessalonians 3:13
And so make your hearts strong, and your lives pure beyond reproach, in the sight of our God and Father, at the Coming of our Lord Jesus, with all his Holy Ones.
1 Thessalonians 4:7
For God's Call to us does not permit of an impure life, but demands purity.
Hebrews 12:23
to the festal gathering and assemblage of God's Eldest Sons whose names are enrolled in Heaven, to God the Judge of all men, to the spirits of the righteous who have attained perfection,
1 Peter 5:10
God, from whom all help comes, and who called you, by your union with Christ, into his eternal glory, will, when you have suffered for a little while, himself perfect, establish, strengthen you.