Galatians 1:9

As we said before, so say I now again, If any man preach any other gospel unto you than that ye have received, let him be accursed.

Deuteronomy 4:2

Ye shall not add unto the word which I command you, neither shall ye diminish ought from it, that ye may keep the commandments of the LORD your God which I command you.

Deuteronomy 12:32-11

What thing soever I command you, observe to do it: thou shalt not add thereto, nor diminish from it.

Proverbs 30:6

Add thou not unto his words, lest he reprove thee, and thou be found a liar.

Romans 16:17

Now I beseech you, brethren, mark them which cause divisions and offences contrary to the doctrine which ye have learned; and avoid them.

2 Corinthians 1:17

When I therefore was thus minded, did I use lightness? or the things that I purpose, do I purpose according to the flesh, that with me there should be yea yea, and nay nay?

2 Corinthians 13:1-2

This is the third time I am coming to you. In the mouth of two or three witnesses shall every word be established.

Philippians 3:1

Finally, my brethren, rejoice in the Lord. To write the same things to you, to me indeed is not grievous, but for you it is safe.

Philippians 4:4

Rejoice in the Lord alway: and again I say, Rejoice.

Revelation 22:18-19

For I testify unto every man that heareth the words of the prophecy of this book, If any man shall add unto these things, God shall add unto him the plagues that are written in this book:

Treasury of Scripture Knowledge

Summary

As we said before, so say I now again, If any man preach any other gospel unto you than that ye have received, let him be accursed.

General references

Bible References

So

2 Corinthians 1:17
When I therefore was thus minded, did I use lightness? or the things that I purpose, do I purpose according to the flesh, that with me there should be yea yea, and nay nay?
2 Corinthians 13:1
This is the third time I am coming to you. In the mouth of two or three witnesses shall every word be established.
Philippians 3:1
Finally, my brethren, rejoice in the Lord. To write the same things to you, to me indeed is not grievous, but for you it is safe.
Philippians 4:4
Rejoice in the Lord alway: and again I say, Rejoice.

Than

Deuteronomy 4:2
Ye shall not add unto the word which I command you, neither shall ye diminish ought from it, that ye may keep the commandments of the LORD your God which I command you.
Deuteronomy 12:32
What thing soever I command you, observe to do it: thou shalt not add thereto, nor diminish from it.
Deuteronomy 13:1
If there arise among you a prophet, or a dreamer of dreams, and giveth thee a sign or a wonder,
Proverbs 30:6
Add thou not unto his words, lest he reprove thee, and thou be found a liar.
Revelation 22:18
For I testify unto every man that heareth the words of the prophecy of this book, If any man shall add unto these things, God shall add unto him the plagues that are written in this book:

General references

Leviticus 15:8
And if he that hath the issue spit upon him that is clean; then he shall wash his clothes, and bathe himself in water, and be unclean until the even.
1 Corinthians 3:11
For other foundation can no man lay than that is laid, which is Jesus Christ.

King James Version Public Domain