Deuteronomy 4:2

2 aYou shall not add to the word that I command you, nor take from it, that you may keep the commandments of the Lord your God that I command you.

Deuteronomy 12:32

32
Ch 13:1 in Hebrew
Everything that I command you, you shall be careful to do. cYou shall not add to it or take from it.

Revelation of John 22:18-19

18I warn everyone who hears the words of the prophecy of this book: dif anyone adds to them, God will add to him the plagues described in this book, 19and if anyone takes away from the words of the book of this prophecy, God will take away his share in ethe tree of life and in fthe holy city, which are described in this book.

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