I encourage you to read Eph 4:17-24. Verses 22-24 say, "That ye put off (cast off, lay aside) concerning the former conversation (behavior, conduct) the old man (nature), which is corrupt (ruined, defiled) according to the deceitful lusts (desires); And be renewed (renovated, reformed) in the spirit of your mind (be spiritually minded); And that ye put on (be clothed with) the new man (nature), which after (according to) God is created in righteousness and true holiness. The illustration here i ...