Believers are PURE by the blood of Jesus.

When Jesus comes back He will make a new world without sin or death and there will be no sinners there. Nothing impure will ever enter the New Jerusalem.

Rev 21 “Then I saw “a new heaven and a new earth,” for the first heaven and the first earth had passed away, and there was no longer any sea. 2 I saw the Holy City, the new Jerusalem, coming down out of heaven from God, prepared as a bride beautifully dressed for her husband……..

Rev 21 “26 The glory and honor of the nations will be brought into it. 27 Nothing impure will ever enter it, nor will anyone who does what is shameful or deceitful, but only those whose names are written in the Lamb’s book of life.”

The believer is PURIFIED by the blood of Jesus.
We are PERFECT and HOLY by His death on the cross and resurrection.

Hebrews 1 “3 The Son is the radiance of God’s glory and the exact representation of his being, sustaining all things by his powerful word. After he had provided purification for sins, he sat down at the right hand of the Majesty in heaven. “

Hebrews 10 “10 And by that will, we have been made holy through the sacrifice of the body of Jesus Christ once for all…..14 For by one sacrifice he has made perfect forever those who are made holy.”

Jesus finished the work to make us righteous without works received by grace through faith.