4 Bible Verses about Adding to the Bible

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: and if any one may take from the words of the book of this prophecy, God will take his part from the tree of life, and from the holy city, from the things which are written in this book.

and Jesus responding said to them, You err, not knowing the Scriptures, nor the power of God.

making void the word of God by your tradition, which you have given: and you do many such similar things.

for false Christs and false prophets will rise up, and give great signs and wonders; so as to deceive even the elect, if possible.