2 Thessalonians 2:7

For the mystery of lawlessness is already at work. Only he who now restrains it will do so until he is out of the way.

Revelation 17:5

And on her forehead was written a name of mystery: "Babylon the great, mother of prostitutes and of earth's abominations."

Revelation 17:7

But the angel said to me, "Why do you marvel? I will tell you the mystery of the woman, and of the beast with seven heads and ten horns that carries her.

1 John 2:18

Children, it is the last hour, and as you have heard that antichrist is coming, so now many antichrists have come. Therefore we know that it is the last hour.

1 John 4:3

and every spirit that does not confess Jesus is not from God. This is the spirit of the antichrist, which you heard was coming and now is in the world already.

Acts 20:29

I know that after my departure fierce wolves will come in among you, not sparing the flock;

Colossians 2:18-23

Let no one disqualify you, insisting on asceticism and worship of angels, going on in detail about visions,puffed up without reason by his sensuous mind,

1 Timothy 3:16

Great indeed, we confess, is the mystery of godliness: He was manifested in the flesh, vindicated by the Spirit, seen by angels, proclaimed among the nations, believed on in the world, taken up in glory.

2 Timothy 2:17-18

and their talk will spread like gangrene. Among them are Hymenaeus and Philetus,

Treasury of Scripture Knowledge

Summary

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

Bible References

The mystery

1 Timothy 3:16
Great indeed, we confess, is the mystery of godliness: He was manifested in the flesh, vindicated by the Spirit, seen by angels, proclaimed among the nations, believed on in the world, taken up in glory.
Revelation 17:5
And on her forehead was written a name of mystery: "Babylon the great, mother of prostitutes and of earth's abominations."

Doth

Acts 20:29
I know that after my departure fierce wolves will come in among you, not sparing the flock;
Colossians 2:18
Let no one disqualify you, insisting on asceticism and worship of angels, going on in detail about visions,puffed up without reason by his sensuous mind,
2 Timothy 2:17
and their talk will spread like gangrene. Among them are Hymenaeus and Philetus,
1 John 2:18
Children, it is the last hour, and as you have heard that antichrist is coming, so now many antichrists have come. Therefore we know that it is the last hour.
1 John 4:3
and every spirit that does not confess Jesus is not from God. This is the spirit of the antichrist, which you heard was coming and now is in the world already.

He who

2 Thessalonians 2:6
And you know what is restraining him now so that he may be revealed in his time.

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.