Galatians 1:9
as I said before, so say I now again, if any one preach any other thing to you for gospel, than what you have received, let him be accursed.
Romans 16:17
Now I beseech you, brethren, mark those who cause divisions and revolts against the doctrine which you have learned; and avoid them.
2 Corinthians 1:17
was this design therefore the effect of levity? or do I design first one thing, and then another, as it best suits my worldly interest?
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. it is not uneasy to me to write what I have already said, and it is an advantage to you.
Philippians 4:4
Rejoice in the Lord alway: I say it again, rejoice.
Revelation 22:18-19
"I declare to every one that hears the words of the prophecy of this book, if any one shall add to these things, God shall strike him with the plagues that are written in this book: