Revelation 17:9

Here is the mind that hath wisdom. The seven heads are seven mountains, on which the woman sitteth:

Revelation 13:18

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

Revelation 17:3

And he carried me away in the Spirit into a wilderness: and I saw a woman sitting upon a scarlet-colored beast, full of names of blasphemy, having seven heads and ten horns.

Daniel 12:4

But thou, 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 understood not: then said I, O my lord, what shall be the issue of these things?

Hosea 14:9

Who is wise, that he may understand these things? prudent, that he may know them? for the ways of Jehovah are right, and the just shall walk in them; but transgressors shall fall therein.

Matthew 13:11

And he answered and said unto them, Unto you it is given to know the mysteries of the kingdom of heaven, but to them it is not given.

Matthew 24:15

When therefore ye see the abomination of desolation, which was spoken of through Daniel the prophet, standing in the holy place (let him that readeth understand),

Revelation 13:1

and he stood upon the sand of the sea. And I saw a beast coming up out of the sea, having ten horns, and seven heads, and on his horns ten diadems, and upon his heads names of blasphemy.

Revelation 17:7

And the angel said unto me, Wherefore didst thou wonder? I will tell thee the mystery of the woman, and of the beast that carrieth her, which hath the seven heads and the ten horns.

Revelation 17:18

And the woman whom thou sawest is the great city, which reigneth 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 that hath understanding, let him count the number of the beast; for it is the number of a man: and his number is Six hundred and sixty and six.
Daniel 12:4
But thou, 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, that he may understand these things? prudent, that he may know them? for the ways of Jehovah are right, and the just shall walk in them; but transgressors shall fall therein.
Matthew 13:11
And he answered and said unto them, Unto you it is given to know the mysteries of the kingdom of heaven, but to them it is not given.
Matthew 24:15
When therefore ye see the abomination of desolation, which was spoken of through Daniel the prophet, standing in the holy place (let him that readeth understand),

The seven

Revelation 17:3
And he carried me away in the Spirit into a wilderness: and I saw a woman sitting upon a scarlet-colored beast, full of names of blasphemy, having seven heads and ten horns.
Revelation 13:1
and he stood upon the sand of the sea. And I saw a beast coming up out of the sea, having ten horns, and seven heads, and on his horns ten diadems, and upon his heads names of blasphemy.

American Standard Version Public Domain