Galatians 1:8

But indeed if we, or an angel from heaven, may preach unto you any other gospel except that which we have preached unto you, let him be accursed.

Romans 9:3

For I would pray, that I myself might be an offering from Christ; in behalf of my brethren, my kindred according to the flesh:

1 Corinthians 16:22

If any one loves not the Lord as a friend, let him be anathema Maran atha.

2 Corinthians 11:13-14

For such are false apostles, deceitful workers, transforming themselves into the apostles of Christ.

Matthew 25:41

Then will He also say unto those on the left, Depart from me, ye cursed, into eternal fire which has been prepared for the devil and his angels.

Galatians 1:9

As we have before said, and now again I tell you, If any one preaches to you a gospel except that which you have received, let him be accursed.

Revelation 22:18-19

I testify to every one hearing the words of the prophecy of this book. If any one may add to these things, God will add unto him the plagues which are written in this book:

Mark 14:71

But he began to anathematize, and to swear, I know not this man of whom you speak.

Acts 23:14

who, having come to the chief priests and elders, said, We have anathematized ourselves with an anathema, to taste nothing until we may kill Paul.

Galatians 3:10

For so many as are of works of law are under the curse: for it is written, Cursed is every one who does not abide in all things which have been written in the book of the law, to do the same.

Galatians 3:13

Christ has redeemed us from the curse of the law, being made a curse for us: because it has been written; Cursed is every one having been hung on the wood:

1 Timothy 1:19-20

having faith and a good conscience; which some having cast away have made shipwreck concerning the faith;

Titus 3:10

Reject a heretical man after the first and second admonition;

2 Peter 2:14

having eyes full of an adulteress, and unable to cease from sin; beguiling unestablished souls: having a heart which has been made fat with covetousness; children of the curse:

Treasury of Scripture Knowledge

Summary

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.

General references

Bible References

Though

Galatians 1:9
As we have before said, and now again I tell you, If any one preaches to you a gospel except that which you have received, let him be accursed.
1 Corinthians 16:22
If any one loves not the Lord as a friend, let him be anathema Maran atha.
2 Corinthians 11:13
For such are false apostles, deceitful workers, transforming themselves into the apostles of Christ.
1 Timothy 1:19
having faith and a good conscience; which some having cast away have made shipwreck concerning the faith;
Titus 3:10
Reject a heretical man after the first and second admonition;
Revelation 22:18
I testify to every one hearing the words of the prophecy of this book. If any one may add to these things, God will add unto him the plagues which are written in this book:

Let

Galatians 3:10
For so many as are of works of law are under the curse: for it is written, Cursed is every one who does not abide in all things which have been written in the book of the law, to do the same.
Matthew 25:41
Then will He also say unto those on the left, Depart from me, ye cursed, into eternal fire which has been prepared for the devil and his angels.
2 Peter 2:14
having eyes full of an adulteress, and unable to cease from sin; beguiling unestablished souls: having a heart which has been made fat with covetousness; children of the curse:

General references

1 Corinthians 3:11
For other foundation no one is able to lay beside the one which is laid, who is Jesus Christ.