Revelation 22:9, 18
Revelation 22:9 NIV
But he said to me, “Don’t do that! I am a fellow servant with you and with your fellow prophets and with all who keep the words of this scroll. Worship God!”
Revelation 22:18 NIV
I warn everyone who hears the words of the prophecy of this scroll: If anyone adds anything to them, God will add to that person the plagues described in this scroll.