Galatians 1:9
As we said before, so say I now again, If any man preach any other gospel unto you than that you have received, let him be accursed.
Deuteronomy 4:2
You shall not add unto the word which I command you, neither shall you take away from it, that you may keep the commandments of the LORD your God which I command you.
Deuteronomy 12:32-11
Whatsoever thing I command you, observe to do it: you shall not add thereto, nor take away from it.
Proverbs 30:6
Add not unto his words, lest he reprove you, and you be found a liar.
Romans 16:17
Now I beseech you, brethren, mark them who cause divisions and offenses contrary to the doctrine which you 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 troublesome, but for you it is safe.
Philippians 4:4
Rejoice in the Lord always: and again I say, Rejoice.
Revelation 22:18-19
For I testify unto every man that hears 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: