2 Samuel 5:9
David lived in the stronghold, and called it the city of David. David built around from Millo and inward.
2 Kings 25:1
It happened in the ninth year of his reign, in the tenth month, in the tenth day of the month, that Nebuchadnezzar king of Babylon came, he and all his army, against Jerusalem, and encamped against it; and they built forts against it around it.
The fortress shall cease from Ephraim, and the kingdom from Damascus, and the remnant of Syria. They will be as the glory of the children of Israel," says Yahweh of Armies.
He has brought the high fortress of your walls down, laid low, and brought to the ground, even to the dust.
But out of a shoot from her roots shall one stand up in his place, who shall come to the army, and shall enter into the fortress of the king of the north, and shall deal against them, and shall prevail.
"The bricks have fallen, but we will build with cut stone. The sycamore fig trees have been cut down, but we will put cedars in their place."
In that day they will come to you from Assyria and the cities of Egypt, and from Egypt even to the River, and from sea to sea, and mountain to mountain.
When you shall besiege a city a long time, in making war against it to take it, you shall not destroy its trees by wielding an axe against them; for you may eat of them, and you shall not cut them down; for is the tree of the field man, that it should be besieged of you?
and lay siege against it, and build forts against it, and cast up a mound against it; set camps also against it, and plant battering rams against it all around.
Neither shall Pharaoh with his mighty army and great company help him in the war, when they cast up mounds and build forts, to cut off many persons.
He shall kill your daughters in the field with the sword; and he shall make forts against you, and cast up a mound against you, and raise up the buckler against you.
He dug it up, gathered out its stones, planted it with the choicest vine, built a tower in its midst, and also cut out a winepress therein. He looked for it to yield grapes, but it yielded wild grapes.
"Hear another parable. There was a man who was a master of a household, who planted a vineyard, set a hedge about it, dug a winepress in it, built a tower, leased it out to farmers, and went into another country.
He began to speak to them in parables. "A man planted a vineyard, put a hedge around it, dug a pit for the winepress, built a tower, rented it out to a farmer, and went into another country.
He began to tell the people this parable. "A man planted a vineyard, and rented it out to some farmers, and went into another country for a long time.
The hand of Midian prevailed against Israel; and because of Midian the children of Israel made them the dens which are in the mountains, and the caves, and the strongholds.
1 Samuel 23:29
David went up from there, and lived in the strongholds of En Gedi.
he will dwell on high. His place of defense will be the fortress of rocks. His bread will be supplied. His waters will be sure.