The resurrection is of the greatest significance not only for believers personally, but also for the church as church. The church is the church of the resurrection! Without Christ’s resurrection, the existence of the church would be an enigma. In the absence of the redemption fact of His resurrection, there would be no church!
On the day of His resurrection, the Savior was already gathering His followers. Today, He carries on with His work of gathering His church. The King of resurrection gathers His church in the unity of the true faith.
He who has all power commanded all nations to be made His disciples and added the promise: “And, lo, I am with you always, even unto the end of the world” (Matthew 28.18-20). This command must be seen in the context of Christology and, in its execution, the church is dependent on the Holy Spirit (see John 20.22; Acts 1.8). Then, the apostles give their testimony to the resurrection of the Lord Jesus “with great power” (Acts 4.33).
The proclamation of salvation that is given to us in His resurrection culminates in the exhortation to be “always abounding in the work of the Lord” (1 Corinthians 15.58). It is the work of the Lord because He stands behind it and it is done at His command. We may know that it is not in vain in the Lord.
From: Concise Reformed Dogmatics by J. van Genderen and W. H. Velema; translated from the Dutch by Gerrit Bilkes and Ed M. van der Maas (Phillipsburg: P&R Publishing, 2008), p. 496. Dutch original published in 1992.