2 Thessalonians 2:6-8

6And now you know what is holding him back, so that he may be revealed at the proper time. 7For the secret power of lawlessness is already at work; but the one who now holds it back will continue to do so till he is taken out of the way. 8And then the lawless one will be revealed, whom the Lord Jesus will overthrow with the breath of his mouth and destroy by the splendor of his coming.