Galatians 1:8
But though we, or an angel from heaven, preach any other gospel unto you than that which we have preached unto you, let him be accursed.
Cross-reference
Galatians 1:9 repeats the same warning against a contrary gospel with the same curse—reinforcing the point.
In Galatians 3:13, Christ becomes a curse to redeem us — contrasting the curse pronounced on false teachers with the redemptive curse Christ bore.
In Romans 9:3, Paul uses the same Greek word 'anathema' to express willingness to be cut off from Christ for Israel — shows the depth of his curse language.
1 Corinthians 16:22 also pronounces 'let him be accursed' on those who do not love the Lord—similar curse formula as against false teachers in Galatians 1:8.
In 2 Corinthians 11:14, Satan masquerades as an angel of light — directly explaining the hypothetical 'angel from heaven' preaching a false gospel.
In 2 Peter 2:14, false teachers are called 'accursed children' — directly parallel to Paul's curse on those preaching a different gospel.
In Revelation 22:18, adding to God's words brings plagues — the same severe warning against altering the gospel message.
In Revelation 22:19, taking away from God's words removes one's share in life — similar penalty for distorting the message.
2 Corinthians 11:4 describes the same threat of a different Jesus or gospel — reinforcing Paul's condemnation here.
2 John 1:10 instructs not to welcome those who bring a different teaching — reinforcing the same separation from false gospel here.
In Deuteronomy 27:15-26, a series of curses is pronounced on covenant breakers with 'Cursed be anyone...' — the same pattern Paul uses for those preaching a false gospel.
In 2 Corinthians 11:13, false apostles masquerading as true are the same danger Paul warns against — those preaching a different gospel.
In Matthew 25:41, Jesus pronounces a curse on the unrighteous, sending them to eternal fire — a parallel final judgment on those under God's curse, similar to Paul's anathema.
In 1 Corinthians 12:3, Paul uses 'anathema' in the phrase 'Jesus be cursed' — showing the term's use in early church, related to false teaching but not directly.
In 1 Timothy 1:20, Paul hands Hymenaeus and Alexander to Satan — a disciplinary action akin to the anathema on false teachers.