Eberhard Arnold founded the Bruderhof Communities in 1920, in his native Germany. With Jesus' Sermon on the Mount as a blueprint, he and a handful of friends formed a Christian community, grounded in prayer, fellowship, nonviolence, and reverence for life.
Henri J. M. Nouwen One of the most challenging statements on community that I have ever read. Its radical God-centeredness makes it not only very demanding, but also very inviting, comforting, and reassuring.