The ministry of mercy, then, is the best advertising a church can have. It convinces a community that this church provides people with actions for their problems, not only talk. It shows the community that this church is compassionate.
Without the gospel we hate ourselves instead of our sin. Without the gospel we’re motivated through all sorts of awful fear and pride to change and it doesn’t really change our hearts; it just restrains our hearts.
Faith in the gospel restructures our motivations, our self-understanding, our identity, and our view of the world. Behavioral compliance to rules without heart-change will be superficial and fleeting… We can only change permanently as we take the gospel more deeply into our understanding and into our hearts. We must feed on the gospel, as it were, digesting it and making it part of ourselves. That is how we grow.