The World Mission Society Church of God (WMSCOG): Origins, Core Beliefs, and a Biblical Refutation
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Updated: 9 hours ago
The World Mission Society Church of God (WMSCOG), also known as the Church of God, is a South Korean-based new religious movement that claims to be the restored true church. While it presents itself as strictly Bible-based Christianity, its teachings diverge sharply from historic orthodox Christianity. Below is a clear overview based on their own claims, followed by a straightforward biblical response that exposes the contradictions.
Back Story / Origins
The WMSCOG was founded in 1964 in Busan, South Korea, by Ahn Sahng-hong (1918–1985). Ahn had been a member of the Seventh-day Adventist Church but left after claiming special revelations. He taught that the early church’s original practices (Saturday Sabbath, New Covenant Passover, and the seven biblical feasts) were lost during a prophesied apostasy after the apostles died, largely due to Roman Catholic influences and councils like Nicaea.
Ahn declared himself the Second Coming of Christ and the Holy Spirit in the flesh, sent to restore those truths before the end times. He died in 1985 without returning in glory or fulfilling all end-time prophecies. After his death, the church split. The larger faction (now WMSCOG) elevated his wife, Zahng Gil-jah (born 1943), as the living “God the Mother” (Heavenly Jerusalem / the Bride). This group has grown internationally under administrative leadership of General Pastor Kim Joo-Cheol. They use the New International Version (NIV) as their primary Bible translation and emphasize aggressive evangelism and feast-keeping.
Core Beliefs
WMSCOG insists every doctrine is “Bible-only,” yet their system adds unique elements:
God: Strict modalism (one God appearing in different roles/ages). Father = Jehovah (OT age), Son = Jesus (NT age), Holy Spirit = Christ Ahnsahnghong (current age with a “new name”). They add God the Mother (Zahng Gil-jah) as the female image of God who gives eternal life in the last days (based on Genesis 1:26–27 and Revelation 22:17). Salvation is impossible without her.
Jesus: The same God who was Jehovah, now appearing as the Son 2,000 years ago, then returning as Ahnsahnghong to restore truth.
Salvation: Requires baptism in the three names (Father, Son, Holy Spirit = Ahnsahnghong), keeping the Saturday Sabbath, New Covenant Passover, and seven annual feasts. They reject Sunday worship, Christmas, Easter, and cross veneration as pagan heresies.
Bible: Fully inspired and authoritative, but only properly understood through their “restored” lens. Mainstream Christianity is considered part of the fallen “Babylon” system.
They teach that the Bible prophesied both the loss of truth and its restoration by Ahnsahnghong and Mother.
Refuting WMSCOG Teachings: Biblical Answers That Expose the Errors
Here are direct, Scripture-based responses that address their core claims head-on. These are designed to show the logical and biblical contradictions without getting lost in side debates.
Modalism (“roles/ages” view of God) collapses under the Bible’s own words If Father, Son, and Holy Spirit are merely sequential roles of the same Person, Jesus’ prayers become God talking to Himself. In John 17, Jesus prays: “Father, the hour has come. Glorify your Son… And now, Father, glorify me in your presence with the glory I had with you before the world began” (John 17:1, 5). He distinguishes His will from the Father’s (“not my will, but yours be done” - Luke 22:42) and asks that believers “may be one as we are one” (John 17:22). This is not role-playing or modeling - it is real interpersonal relationship and eternal fellowship before creation. Modalism turns this into internal self-dialogue, which the text never suggests. Deuteronomy 6:4 says God is one, but the New Testament reveals that oneness as complex unity (one essence, three Persons), not role-switching.
The “two Yahwehs” passages destroy pure modalism Genesis 19:24: “Then the LORD rained down burning sulfur on Sodom and Gomorrah from the LORD out of the heavens.” One Yahweh (on earth, visible to Abraham) calls fire from another Yahweh (in heaven). This is not emphasis or “different manifestations” - it shows real distinction within God’s unity. The same pattern appears in Psalm 110:1 (“The LORD says to my Lord”) and the baptism of Jesus (Matthew 3:16-17). WMSCOG’s “one God switching modes” cannot explain simultaneous, distinct action.
God the Mother has no biblical basis Revelation 22:17 (“The Spirit and the bride say, ‘Come’”) and Galatians 4:26 (“the Jerusalem that is above is our mother”) are misused. The Bride in Revelation is the church (Revelation 19:7-9; 21:2, 9-10), not a second incarnate deity. Genesis 1:26–27 uses plural “us” and “our image,” but the rest of Scripture reveals that image as male (Jesus as the exact image - Colossians 1:15; Hebrews 1:3). Nowhere does the Bible teach a female God who must be accepted for salvation or who replaces the Holy Spirit’s role. Adding “Mother” to the Godhead is the very thing Deuteronomy 4:2 and Revelation 22:18-19 warn against.
The baptism formula and “new name” argument Matthew 28:19 commands baptism “in the name of the Father and of the Son and of the Holy Spirit.” WMSCOG inserts Ahnsahnghong as the Holy Spirit’s “new name.” Yet the verse lists three titles of the one God - it does not authorize a 20th-century Korean man’s name. Jesus said His own name would be the one believers call on (John 14:13-14; Acts 4:12). Ahnsahnghong died in 1985; Jesus promised the Holy Spirit would be with us forever (John 14:16). A dead man cannot fulfill that.
The “lost truths restored” claim is self-refuting If the Bible is fully inspired and preserved (2 Timothy 3:16-17), then the early church had everything needed for salvation. The same Bible that supposedly predicts apostasy also promises the Holy Spirit would guide the church into all truth (John 16:13) and that the gates of hell would not prevail against it (Matthew 16:18). WMSCOG must claim the Bible is reliable enough to prove their founder yet unreliable enough that 1,900 years of Christianity got it wrong - until a man in Korea fixed it.
Conclusion
Bottom line for any WMSCOG member: The interpersonal prayers, pre-creation fellowship, and simultaneous actions of Father and Son throughout the New Testament are not “role-playing.” They reveal the eternal Trinity - one God in three Persons - that the church has affirmed for 2,000 years. Adding a living Korean woman as co-Savior, re-naming the Holy Spirit after a man who died, and rejecting the clear distinctions in Scripture requires more faith in Ahn and Zahng than in the Bible itself.
If you are in WMSCOG, read John 17 slowly and ask: Who exactly was Jesus talking to before the world began? The text will not let you turn the living God into a series of masks. The real Jesus is still alive, still the only Savior, and He invites you to know the true Father through the true Son by the true Holy Spirit - without any additional “Mother” or new name required.
This is the gospel that saves: “Believe in the Lord Jesus, and you will be saved” (Acts 16:31). No extra feasts, no human mediators, no secret Korean revelations - just Christ alone.
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