And do not be conformed to this world, but be transformed by the renewing of your mind, so that you may prove what the will of God is, that which is good and acceptable and perfect.
Create in me a clean heart, O God, And renew a steadfast spirit within me.
“Moreover, I will give you a new heart and put a new spirit within you; and I will remove the heart of stone from your flesh and give you a heart of flesh.
2 Corinthians 5:17
Therefore if anyone is in Christ, he is a new creature; the old things passed away; behold, new things have come.
And although you were formerly alienated and hostile in mind, engaged in evil deeds, yet He has now reconciled you in His fleshly body through death, in order to present you before Him holy and blameless and beyond reproach-
1 Thessalonians 5:19-22
19 Do not quench the Spirit. 20 Do not despise prophecies, 21 but test everything; hold fast what is good. 22 Abstain from every form of evil.
He saved us, not on the basis of deeds which we have done in righteousness, but according to His mercy, by the washing of regeneration and renewing by the Holy Spirit.
“Cast away from you all your transgressions which you have committed and make yourselves a new heart and a new spirit! For why will you die, O house of Israel?