Galatians 1:9
As we have said before, so say I now again, if any man preacheth unto you any gospel other than that which ye received, let him be anathema.
Deuteronomy 4:2
Ye shall not add unto the word which I command you, neither shall ye diminish from it, that ye may keep the commandments of Jehovah your God which I command you.
Deuteronomy 12:32-11
What thing soever I command you, that shall ye observe to do: 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 that are causing the divisions and occasions of stumbling, contrary to the doctrine which ye learned: and turn away from them.
2 Corinthians 1:17
When I therefore was thus minded, did I show fickleness? or the things that I purpose, do I purpose according to the flesh, that with me there should be the yea yea and the nay nay?
2 Corinthians 13:1-2
This is the third time I am coming to you. At the mouth of two witnesses or three shall every word established.
Philippians 3:1
Finally, my brethren, rejoice in the Lord. To write the same things to you, to me indeed is not irksome, but for you it is safe.
Philippians 4:4
Rejoice in the Lord always: again I will say, Rejoice.
Revelation 22:18-19
I testify unto every man that heareth the words of the prophecy of this book, if any man shall add unto them, God shall add unto him the plagues which are written in this book: