2 Thessalonians 2:6

Let no one deceive you in any way. For it will not be unless the rebellion comes first, and the man of sin is revealed, the son of destruction.

He opposes and exalts himself against all that is called God or that is worshiped, so that he sits as God in the temple of God, setting himself up as God.

Don’t you remember that when I was still with you, I told you these things?

For the mystery of lawlessness already works. Only there is one who restrains now, until he is taken out of the way.

Then the lawless one will be revealed, whom the Lord will kill with the breath of his mouth and destroy by the manifestation of his coming;

even he whose coming is according to the working of Satan with all power and signs and lying wonders,