Mormonism
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1 Timothy 2:5
For there is one God, and there is one mediator between God and men, the man Christ Jesus,
Galatians 1:8
But even if we or an angel from heaven should preach a gospel contrary to the one we preached to you, let him be under a curse!
1 John 4:1
Beloved, do not believe every spirit, but test the spirits to see whether they are from God. For many false prophets have gone out into the world.
Isaiah 43:10
“You are My witnesses,” declares the LORD, “and My servant whom I have chosen, so that you may consider and believe Me and understand that I am He. Before Me no god was formed, and after Me none will come.
Revelation 22:18, 19
I testify to everyone who hears the words of prophecy in this book: If anyone adds to them, God will add to him the plagues described in this book. / And if anyone takes away from the words of this book of prophecy, God will take away his share in the tree of life and the holy city, which are described in this book.
John 1:1
In the beginning was the Word, and the Word was with God, and the Word was God.
2 Timothy 4:3
For the time will come when men will not tolerate sound doctrine, but with itching ears they will gather around themselves teachers to suit their own desires.