Christ can completely transform us, making us anew, yet it's often hard to tell Christians from non-Christians. So many Christians hold onto their old ways, following the tradition or the custom of the world. All their empty gestures may appear OK, but not truly genuine. Christ wouldn't have acted like that. Of course, you can say that God's ways and thoughts are way higher than ours, but to let the Lord transform us is to make us think and act more like him. And this is not obvious, when you look at how these Christians live and act. So we are not perfect yet, showing that we have not surrendered ourselves completely to God yet. This is the fundamental challenge all Christians face and must meet if we are to be successfully transformed.