Matthew 7:15

"Look out for deceiving prophets, who approach you wearing sheep's clothing, but who are [actually] starving wolves in their hearts.

2 Peter 2:12

However, these people are like unreasonable, ignorant creatures of instinct, born as animals which are [to be] caught and destroyed. They speak out against things about which they are ignorant. In [the process of] destroying others, they will certainly be destroyed themselves.

Revelation 19:20

But the beast was captured, along with the false prophet [See 16:13], who performed [supernatural] signs in his presence. [He had performed these signs] to deceive those who had received the mark of the beast and those who worshiped his statue. [See 13:15-16]. The beast and the false prophet were both thrown alive into the lake of fire that burns with sulphur.

Treasury of Scripture Knowledge

Summary

But the prophet, which shall presume to speak a word in my name, which I have not commanded him to speak, or that shall speak in the name of other gods, even that prophet shall die.

In the name

Bible References

The prophet

Matthew 7:15
"Look out for deceiving prophets, who approach you wearing sheep's clothing, but who are [actually] starving wolves in their hearts.
2 Peter 2:12
However, these people are like unreasonable, ignorant creatures of instinct, born as animals which are [to be] caught and destroyed. They speak out against things about which they are ignorant. In [the process of] destroying others, they will certainly be destroyed themselves.

In the name

Revelation 19:20
But the beast was captured, along with the false prophet [See 16:13], who performed [supernatural] signs in his presence. [He had performed these signs] to deceive those who had received the mark of the beast and those who worshiped his statue. [See 13:15-16]. The beast and the false prophet were both thrown alive into the lake of fire that burns with sulphur.