Revelation 13:18

This calls for wisdom: Let the one who has insight calculate the beast's number, for it is man's number, and his number is 666.

Revelation 17:9

(This requires a mind that has wisdom.) The seven heads are seven mountains the woman sits on. They are also seven kings:

Revelation 21:17

He also measured its wall, one hundred forty-four cubits according to human measurement, which is also the angel's.

Revelation 15:2

Then I saw something like a sea of glass mixed with fire, and those who had conquered the beast and his image and the number of his name. They were standing by the sea of glass, holding harps given to them by God.

Deuteronomy 3:11

Only King Og of Bashan was left of the remaining Rephaites. (It is noteworthy that his sarcophagus was made of iron. Does it not, indeed, still remain in Rabbath of the Ammonites? It is thirteen and a half feet long and six feet wide according to standard measure.)

Psalm 107:43

Whoever is wise, let him take note of these things! Let them consider the Lord's acts of loyal love!

Daniel 12:10

Many will be purified, made clean, and refined, but the wicked will go on being wicked. None of the wicked will understand, though the wise will understand.

Hosea 14:9

Who is wise? Let him discern these things! Who is discerning? Let him understand them! For the ways of the Lord are right; the godly walk in them, but in them the rebellious stumble.

Mark 13:14

"But when you see the abomination of desolation standing where it should not be (let the reader understand), then those in Judea must flee to the mountains.

Romans 3:5

But if our unrighteousness demonstrates the righteousness of God, what shall we say? The God who inflicts wrath is not unrighteous, is he? (I am speaking in human terms.)

Revelation 1:3

Blessed is the one who reads the words of this prophecy aloud, and blessed are those who hear and obey the things written in it, because the time is near!

Treasury of Scripture Knowledge

Summary

Here is wisdom. Let him that hath understanding count the number of the beast: for it is the number of a man; and his number is Six hundred threescore and six.

Bible References

Here

Revelation 1:3
Blessed is the one who reads the words of this prophecy aloud, and blessed are those who hear and obey the things written in it, because the time is near!
Revelation 17:9
(This requires a mind that has wisdom.) The seven heads are seven mountains the woman sits on. They are also seven kings:
Psalm 107:43
Whoever is wise, let him take note of these things! Let them consider the Lord's acts of loyal love!
Daniel 12:10
Many will be purified, made clean, and refined, but the wicked will go on being wicked. None of the wicked will understand, though the wise will understand.
Hosea 14:9
Who is wise? Let him discern these things! Who is discerning? Let him understand them! For the ways of the Lord are right; the godly walk in them, but in them the rebellious stumble.
Mark 13:14
"But when you see the abomination of desolation standing where it should not be (let the reader understand), then those in Judea must flee to the mountains.

Count

Revelation 15:2
Then I saw something like a sea of glass mixed with fire, and those who had conquered the beast and his image and the number of his name. They were standing by the sea of glass, holding harps given to them by God.

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