I Corinthians I
I appeal to you, brothers, by the name of our Lord Jesus Christ, that all of you agree, and that there be no divisions among you, but that you be united in the same mind and the same judgment. (I Corinthians 1:10 ESV)
United
During the London Blitz of World War II, people of varied lifestyles, cultures, and races huddled each night in fallout shelters, subway tubes, public basements, and drainage culverts. In a particular area you might have found a butler, a janitor, a salesgirl, a mother with her twins, a Member of Parliament, a church deacon, and an illegal immigrant.
In common, they faced the fear of bombs, the uncertainty of life, and the terror of the unknown. Huddled in darkness, they sang, they held hands, told stories, and the were silent.
Other situations might have caused them to despise each other. Other circumstances might have allowed them to ignore each other. Other happenings might have led them to be arrogant, subservient, respectful, or mistrusting.
The vast array of people, however, were united.
In Christ, Christians get to find the same thing. We might disagree about the meaning of Baptism, but Christians have unity about the necessity of Christ Jesus. We might view worship styles, prayer habits, and Pastoral qualifications from different perspectives, but Christians have unity about the necessity of Christ Jesus. We might argue honestly and sincerely about many aspects of theology, but Christians have unity about the necessity of Christ Jesus.
And focus on that unity makes the greater church great.