Part 4 · Belief 14 — The Doctrine of the Church
Unity in the Body of Christ
What we believe
The church is one body with many members, called from every nation, kindred, tongue, and people. In Christ we are a new creation; distinctions of race, culture, learning, and nationality, and differences between high and low, rich and poor, male and female, must not be divisive among us. We are all equal in Christ, who by one Spirit has bonded us into one fellowship with Him and with one another; we are to serve and be served without partiality or reservation. Through the revelation of Jesus Christ in the Scriptures we share the same faith and hope, and reach out in one witness to all. This unity has its source in the oneness of the triune God, who has adopted us as His children.
On the night before He died, Jesus prayed not for Himself but for us — and His deepest wish was startling. He asked "that they may all be one... so that the world may believe that you have sent me" (John 17:21). The unity of God's people is not a nice extra; it is how the world sees that Jesus is real. In a world fractured by race, class, and language, the gospel does something no government or program can do: it makes strangers into family. As we study, notice that this oneness is not sameness — it is many different people, beautifully held together by one Spirit and one Lord.
One body, many members
Paul paints it plainly: "For just as the body is one and has many members... so it is with Christ. For in one Spirit we were all baptized into one body" (1 Corinthians 12:12, 13). A body needs different parts — a hand is not less than an eye, only different. Our differences are not problems to erase but gifts to share. "Behold, how good and pleasant it is when brothers dwell in unity!" (Psalm 133:1). God did not make us identical; He made us one, each bringing something the others need.
All one in Christ
The gospel levels every wall we build between people. "There is neither Jew nor Greek, there is neither slave nor free, there is no male and female, for you are all one in Christ Jesus" (Galatians 3:28). At the cross, Jesus "has broken down in his flesh the dividing wall of hostility" to create "one new man in place of the two" (Ephesians 2:14, 15). Those once "far off have been brought near by the blood of Christ" (Ephesians 2:13). Whatever has separated you from others — language, background, past mistakes — the cross says you belong, on equal ground, at the foot of the same Savior.
Keeping the unity in love
Unity is a gift, but love must guard it: be "eager to maintain the unity of the Spirit in the bond of peace. There is one body and one Spirit... one Lord, one faith, one baptism" (Ephesians 4:3-5). As each part does its work, "speaking the truth in love, we are to grow up in every way into him who is the head, into Christ" (Ephesians 4:15). Paul tells us how: "Put on then... compassionate hearts, kindness, humility, meekness, and patience, bearing with one another" — and "above all these put on love, which binds everything together in perfect harmony" (Colossians 3:12-14). Unity is not something we manufacture; it is something we protect with kindness.
Search the Scriptures
Ps. 133:1; Matt. 28:19, 20; John 17:20-23; Acts 17:26, 27; Rom. 12:4, 5; 1 Cor. 12:12-14; 2 Cor. 5:16, 17; Gal. 3:27-29; Eph. 2:13-16; 4:3-6, 11-16; Col. 3:10-15.
Reflect
Jesus said the world would know we are His by the way we love one another. This week, think of someone different from you — in background, opinion, or station — and take one step to treat them as family in Christ: a word of kindness, a listening ear, forgiveness offered first. In doing so, you become part of the answer to Jesus' own prayer that we may be one.
Check your understanding
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