This message follows from my last one covering Romans 12:1-2 and you can read it here.
Paul set out his proposition in verses 1-2, that we offer ourselves as living sacrifices and be transformed by the renewing of our minds as a response to grace (mercy)− in verses 3-8 we have our first lesson on how to go about it: Serve the body of Christ in humility.
For by the grace given me I say to every one of you: Do not think of yourself more highly than you ought, but rather think of yourself with sober judgment, in accordance with the faith God has distributed to each of you. (12:3)
So, it would seem that the first step in the transformative process is that we adopt an attitude of humility. Right away, we can see that not being conformed to this world was something Paul was very serious about (v. 2) for in this age of “game”, “swagger” and “bling” humility is very much out of style. Verse 4 uses the metaphor of our bodies in the same way that Paul uses it in 1 Corinthians 12 as he shows that each of us has a unique part to play in the Body of Christ. While this is easy enough to grasp, he takes another shot at the attitudes of this world in verse 5 when he says each member belongs to all the others. I can’t tell you how many times I have seen Christians bristle at that one.
In verses 6-8 Paul refers to spiritual gifts that each of us has received by the Holy Spirit.
I hope you will consider this carefully: In a context of humble service, a context that is not only counter-intuitive but also counter-cultural for most of us, Paul tells us to exercise our spiritual gifts in humble service to the Body of Christ. Think about the magnitude of the implication of this…
Not only are we to adopt an attitude of true and honest humility, not only are we to consider our positions as members of and belonging to the Body of Christ, but we are to serve the Body of Christ. Yet even more striking than that, we are to rely upon our spiritual gift from God in our service, which is to say that we are not to rely on our own strength, ability, or talent, but on God’s grace alone.
Now, let’s think about what we’ve already seen in Romans, again let’s consider why Israel did not obtain righteousness by the Law. They relied on their own strength and ability to follow the Law, but they did not rely on God for His righteousness. How are we to live as Christians? We are to rely on God in all things to serve His purpose and not our own abilities or purpose.

