Revelation 17:9

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

Revelation 13:18

Here is wisdom. He who has understanding, let him calculate the number of the beast, for it is the number of a man. His number is six hundred sixty-six.

Revelation 17:3

He carried me away in the Spirit into a wilderness. I saw a woman sitting on a scarlet-colored animal, full of blasphemous names, having seven heads and ten horns.

Daniel 12:4

But you, Daniel, shut up the words, and seal the book, even to the time of the end: many shall run back and forth, and knowledge shall be increased."

Daniel 12:8-10

I heard, but I didn't understand: then I said, my lord, what shall be the issue of these things?

Hosea 14:9

Who is wise, that he may understand these things? Who is prudent, that he may know them? For the ways of Yahweh are right, and the righteous walk in them; But the rebellious stumble in them.

Matthew 13:11

He answered them, "To you it is given to know the mysteries of the Kingdom of Heaven, but it is not given to them.

Matthew 24:15

"When, therefore, you see the abomination of desolation, which was spoken of through Daniel the prophet, standing in the holy place (let the reader understand),

Revelation 13:1

Then I stood on the sand of the sea. I saw a beast coming up out of the sea, having ten horns and seven heads. On his horns were ten crowns, and on his heads, blasphemous names.

Revelation 17:7

The angel said to me, "Why do you wonder? I will tell you the mystery of the woman, and of the beast that carries her, which has the seven heads and the ten horns.

Revelation 17:18

The woman whom you saw is the great city, which reigns 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 wisdom. He who has understanding, let him calculate the number of the beast, for it is the number of a man. His number is six hundred sixty-six.
Daniel 12:4
But you, Daniel, shut up the words, and seal the book, even to the time of the end: many shall run back and forth, and knowledge shall be increased."
Hosea 14:9
Who is wise, that he may understand these things? Who is prudent, that he may know them? For the ways of Yahweh are right, and the righteous walk in them; But the rebellious stumble in them.
Matthew 13:11
He answered them, "To you it is given to know the mysteries of the Kingdom of Heaven, but it is not given to them.
Matthew 24:15
"When, therefore, you see the abomination of desolation, which was spoken of through Daniel the prophet, standing in the holy place (let the reader understand),

The seven

Revelation 17:3
He carried me away in the Spirit into a wilderness. I saw a woman sitting on a scarlet-colored animal, full of blasphemous names, having seven heads and ten horns.
Revelation 13:1
Then I stood on the sand of the sea. I saw a beast coming up out of the sea, having ten horns and seven heads. On his horns were ten crowns, and on his heads, blasphemous names.