In 'The New Jerusalem' Martin wrote: "God has called us into something quite distinct from anything else in the world, something that the New Testament calls the common life or fellowship. It is fellowship with Jesus and the Holy Spirit and a fellowship with one another. While this fellowship is something very imperfectly realised in most churches today, it was perhaps the most attractive feature of the life of the Early Church, a characteristic which, I believe, more than anything else accounted for the amazing growth and expansion of the church. It is something that we need to recapture today." This book explores how we can learn afresh to Love Each Other in the 21st century.