If Christ is in you, though the body is dead because of sin, yet the spirit is alive because of righteousness (Romans 8:10).
I am really struck by what a miracle is our Resurrection Life! We are not just released from the penalty of sin but also the power, or dominion, of sin. The fundamental problem with living the Christian life is we live in a dead body. Our physical body is lifeless, completely unresponsive to anything that is spiritual. Eternal life has been "planted" into us but the "housing" is dead. When we try to live the Christian life on our own steam, our own power, we will fail. Even though we have this dead body in which sin dwells it can be a vessel that God uses because of the Holy Spirit living within us. It is the Holy Spirit indwelling each of us that gives us life.
Romans 8:11 "But if the Spirit of Him who raised Jesus from the dead dwells in you, He who raised Christ Jesus from the dead will also give life to your mortal bodies through His Spirit who dwells in you." We look forward to our new resurrection life when the Lord returns but we can experience the resurrection life right now. What does it mean? It's God living His life through our dead bodies....it's a miracle! How? Zechariah 4:6 gives us the answer, "...'Not by might nor by power, but by My Spirit,' says the LORD of hosts." It is God, through his Spirit who is shaping, molding and steering us in the direction He wants us to go. The Holy Spirit lives in us so He can perform a resurrection life through us!