18 Here is wisdom. Let him who has understanding count the number of the beast; for it is the number of a man; and his number is 666.
Revelation 13:18 Cross References - MNT
Mark 13:14
14 "But when you see the Abomination of Desolation 'standing where he ought not' (let the reader ponder this), then let those in Judea flee to the mountains;
Romans 3:5
5 But if our unrighteousness thus brings out God's righteousness, what shall we say? Is God unrighteous—I speak after the manner of men—when he inflicts his anger on us?
Revelation 1:3
3 Blessed is he who reads, and they who hear the words of the prophecy, and keep what is written in it. For the crisis is at hand.
Revelation 15:2
2 And I saw the semblance of a glassy sea, mingled with fire; and standing by this glassy sea, with harps of God, were those who came off conquerors from the beast and from his image and from the cipher of his name.
Revelation 17:9
9 Here is the mind that has wisdom. the seven heads are seven hills on which the woman is seated;
Revelation 21:17
17 And he measured its wall, two hundred and sixteen feet, man's measure, which is an angel's.