The document discusses the work of Emmanuel Gospel Center in Boston. It summarizes that over the past 40+ years, many churches and organizations have joined in God's work in Boston, transforming the city during a period called the Quiet Revival. Emmanuel Gospel Center has joined in this work, learning over the years through ministry, research, and trial and error. They have accomplished things like discovering and documenting the Quiet Revival, helping start hundreds of churches and dozens of organizations, and training hundreds of leaders. Emmanuel Gospel Center calls this approach "Living System Ministry" and provides it as a foundation for their work of teaching, training, consulting, and supporting others.