Remember to guard your heart

and be continually renewed in the spirit of your mind [having a fresh, untarnished mental and spiritual attitude],  Ephesians 4:23 AMP

and put on the new self [the regenerated and renewed nature], created in God’s image, [godlike] in the righteousness and holiness of the truth [living in a way that expresses to God your gratitude for your salvation]. Ephesians 4:24 AMP