“Community” is the place where the person you least want to live with always lives, says Henri Nouwen. Often we surround ourselves with the people we most want to live with, which forms a club or a clique, not a community. Anyone can form a club; it takes grace, shared vision, and hard work to form a community.

The Christian church was the first institution in history to bring together on equal footing Jews and Gentiles, men and women, slaves and free. The apostle Paul waxed eloquent on this “mystery, which for ages past was kept hidden in God.” By forming a…