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.
Romans 16:17
But I exhort you, brethren, to mark those who cause divisions and stumblings, contrary to the teaching which you have learned, and depart from them.
2 Corinthians 1:17
Then wishing this, whether did I use lightness of purpose? or the things which I counsel, do I counsel according to the flesh, in order that it may be with me yes yes and no no?
2 Corinthians 13:1-2
This the third time I am coming to you: in the mouth of two or three witnesses every word shall be established.
Philippians 3:1
Finally, my brethren, rejoice in the Lord. To write the same things to you indeed is not burdensome to me, but it is safe to you.
Philippians 4:4
Rejoice in the Lord always: I say to you again, Rejoice.
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: