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It is a grave error to think that Christian unity is primarily concerned with denominations and social gatherings. In this sermon on Ephesians 4:14-16 titled “Activities and Life,” Dr. Martyn Lloyd-Jones proclaims that this misses the main point of Christian unity found in the Bible. Because the unity of faith is concerned with those who have been saved and adopted into the family of God, each and every believer is a part of the body with Christ Jesus as the head. When the church fails to understand this and thinks of itself as an institution or other social organization, it loses sight of its mission and calling as God’s people. Or, as Dr. Lloyd-Jones continues, when unity is thought of as everybody belonging to one church or denomination, correct doctrine and biblical faithfulness is inevitably minimized so that the church can have the appearance of being something that God never intended it to be. This is the great danger of many ecumenical movements that do not care about the truth as long as they can get many Christians to say that they are a part of the same church. The biblical answer lies in the correct understanding of the church as unified in the body of Christ, because it has been redeemed by His blood and sanctified by His Spirit.