The Church of God and the Walls of Division

The sermon opens by reviewing the theological foundation of Ephesians 1 and 2:1-10, emphasizing the truth that we are saved by grace through faith — not by faith itself or by our own works. The pastor uses the illustration of a car: faith is the person getting into the car, but grace is the vehicle that carries the person to the destination — if the car breaks down, no amount of belief will get you there. Because no one can boast about their own salvation, the following passage (verses 11-22) carries all the more profound significance.

The first section addresses the necessity of the Church in the believer's life. The pastor identifies a dangerous trend in modern society — especially in the United States — where many people, particularly the younger generation, seek God in a purely personal way, disconnected from any church community. Contrary to this trend, Scripture teaches that Jesus Christ himself was the first to use the word 'church' (Matthew 16:18), calling it His church. Through three images — citizen of a nation, member of God's household, and stones built into God's temple (Ephesians 2:19-22) — Paul affirms that believers cannot grow spiritually or be transformed by the Holy Spirit apart from the Church, just as a limb severed from the body will die.

The second section focuses on Ephesians 2:14-16, explaining how Jesus Christ through his death on the cross demolished the wall of hostility between Jews and Gentiles. That wall was the Law — not because the Law was evil, but because Israel's pride had turned it into a tool for despising the Gentiles, resulting in mutual hatred. Christ did not abolish the Law but fulfilled its every requirement (Matthew 5:17), and through the cross he reconciled both peoples into one new man, one body — the Church.

Three practical lessons are drawn for the Church. First, unity within the Church is supremely important because Christ purchased it with his own blood. Second, the gifts and blessings God gives — musical talent, teaching ability, wealth, beauty — can all be misused to erect walls of pride and discord within the Church, just as Israel used the Law to look down on Gentiles. Third, in the Church, relationships between people and between people and God matter more than results and efficiency — anyone who sows division and builds walls of separation commits a grave sin before God.

The sermon concludes with a call for the Church to guard the unity that Christ purchased with his blood, to recognize the walls of division within the congregation, and to follow Christ's example in tearing them down. The phrase 'for one another, because of one another, with one another' is offered as the guiding principle of the faith community, pointing the Church toward genuine maturity in Christ.