Proverbs 30:6
Do not add to his words of he will reprove you. You will be found to be a liar.
Deuteronomy 4:2
He is your God. I am telling you everything he has commanded. So do not add anything or take anything away.
Deuteronomy 12:32
Be careful to do what I command you. Do not add to it nor take away from it.
Job 13:7-9
Will you speak wickedly on God's behalf? Will you speak deceitfully for him?
1 Corinthians 15:15
We are found to be false witnesses of God because we have testified that God raised Christ from the dead. If he did not raise him up from the dead then the dead are not raised up.
Revelation 22:18-19
I testify to every man who hears the words of the prophecy of this book, if any man shall add to these things, God shall add to him the plagues that are written in this book.