3. Create a "missional" mindset that shapes Christians and includes non-Christians together.
In Acts 2 and I Cor. 14:23ff we see nonbelievers attracted and challenged by worship. We learn 1) nonbelievers are expected in worship, 2) nonbelievers must find worship challenging and comprehensible, not comfortable. In city centers where there are a mixture of worldviews, it is crucial to include both Christians and non-Christians in the same service—even in many of the other meetings and ministries of the church. It's not best to segregate them (ala Willow Creek) or exclude them (as the typical conservative church does.) Why?