2 Thessalonians 2:7 Meaning

5Remember ye not, that, when I was yet with you, I told you these things?

6And now ye know what withholdeth that he might be revealed in his time.

7For the mystery of iniquity doth already work: only he who now letteth will let, until he be taken out of the way.

8And then shall that Wicked be revealed, whom the Lord shall consume with the spirit of his mouth, and shall destroy with the brightness of his coming:

9Even him, whose coming is after the working of Satan with all power and signs and lying wonders,