The Christian is not like any other person, he has been bought with a price – now his life no longer belongs to him but to Christ. Apostle Paul showed us what this life truly means in Galatians 2:20:

I have been crucified with Christ; it is no longer I who live, but Christ lives in me; and the life which I now live in the flesh I live by faith in the Son of God, who loved me and gave Himself for me.

All these means that you are now to live for the glory of Christ. Not even for yourself but everything for Christ. Our salvation cost so much, this new life we have received is not cheap, therefore we are to live godly and righteousness in this world.