Therefore prepare your minds for action; discipline yourselves; set all your hope on the grace that Jesus Christ will bring you when he is revealed. Like obedient children, do not be conformed to the desires that you formerly had in ignorance. Instead, as he who called you is holy, be holy yourselves in all your conduct; for it is written, “You shall be holy, for I am holy.” If you invoke as Father the one who judges all people impartially according to their deeds, live in reverent fear during the time of your exile. You know that you were ransomed from the futile ways inherited from your ancestors, not with perishable things like silver or gold, but with the precious blood of Christ, like that of a lamb without defect or blemish. He was destined before the foundation of the world, but was revealed at the end of the ages for your sake. Through him you have come to trust in God, who raised him from the dead and gave him glory, so that your faith and hope are set on God. (1 Peter 1:13-21, NRSV)
We were not purchased with perishable things, like gold or silver, but with the precious blood of the sacrificial lamb, Jesus Christ our Lord.
So live a life worthy of the price paid for you. Set your minds not on things of the past, or of a sinful nature, but follow the example set for us by Jesus.
Live as a holy being, set apart by the lamb, to be a light to the nations.
Live your life through Him, who gave Himself for you.