Matthew 24:24-25
For false christs and false prophets will arise, and will work great signs and wonders, so as to mislead, if it were possible, the very elect.
Matthew 26:24-25
"The Son of man is indeed to go as it is written concerning him, but woe to that man by whom the Son of man shall be betrayed. It were good for that man if he had never been born."
Mark 14:20-21
"It is one of the Twelve," said Jesus, "one who is dipping into the same dish with me.
2 Corinthians 11:11-13
And why? Because I love you not? God knows I do.
2 Thessalonians 2:9-11
even he whose coming is according to the energy of Satan, in every power and sign and lying wonder,
1 Timothy 4:1-2
Now the Spirit distinctly declares that in latter days there will be some who will fall away from the faith, by listening to spirits of error, and to teachings of demons