Revelation 17:9

And here is the mind which has wisdom. The seven heads are seven mountains, on which the woman sits.

Revelation 13:18

Here is the wisdom. Let him having reason count the number of the beast, for it is the number of a man. And its number is six hundred and sixty-six.

Revelation 17:3

And he carried me away into a desert by the Spirit. And I saw a woman sitting on a scarlet-colored beast, filled with names of blasphemy, having seven heads and ten horns.

Daniel 12:4

But you, O Daniel, shut up the words and seal the book, even to the time of the end. Many shall run to and fro, and knowledge shall be increased.

Daniel 12:8-10

And I heard, but I did not understand. Then I said, O my lord, what shall be the end of these things?

Hosea 14:9

Who is wise, and he shall understand these things? Understanding, and he shall know them? For the ways of Jehovah are right, and the just shall walk in them; but sinners shall fall in them.

Matthew 13:11

He answered and said to them, Because it is given to you to know the mysteries of the kingdom of Heaven, but it is not given to them.

Matthew 24:15

Therefore when you see the abomination of desolation, spoken of by Daniel the prophet, stand in the holy place (whoever reads, let him understand).

Revelation 13:1

And I stood on the sand of the sea, and I saw a beast coming up out of the sea, having seven heads and ten horns. And on its horns were ten crowns, and on its heads was the name of blasphemy.

Revelation 17:7

And the angel said to me, Why did you marvel? I will tell you the mystery of the woman and of the beast that carries her, that has the seven heads and ten horns.

Revelation 17:18

And the woman whom you saw is the great city which has a kingdom over the kings of the earth.

Treasury of Scripture Knowledge

Summary

And here is the mind which hath wisdom. The seven heads are seven mountains, on which the woman sitteth.

Bible References

Here

Revelation 13:18
Here is the wisdom. Let him having reason count the number of the beast, for it is the number of a man. And its number is six hundred and sixty-six.
Daniel 12:4
But you, O Daniel, shut up the words and seal the book, even to the time of the end. Many shall run to and fro, and knowledge shall be increased.
Hosea 14:9
Who is wise, and he shall understand these things? Understanding, and he shall know them? For the ways of Jehovah are right, and the just shall walk in them; but sinners shall fall in them.
Matthew 13:11
He answered and said to them, Because it is given to you to know the mysteries of the kingdom of Heaven, but it is not given to them.
Matthew 24:15
Therefore when you see the abomination of desolation, spoken of by Daniel the prophet, stand in the holy place (whoever reads, let him understand).

The seven

Revelation 17:3
And he carried me away into a desert by the Spirit. And I saw a woman sitting on a scarlet-colored beast, filled with names of blasphemy, having seven heads and ten horns.
Revelation 13:1
And I stood on the sand of the sea, and I saw a beast coming up out of the sea, having seven heads and ten horns. And on its horns were ten crowns, and on its heads was the name of blasphemy.