2 Samuel 22:2 And he said, The LORD is my rock, and my fortress, and my deliverer;

Psalms 18:2 The LORD is my rock, and my fortress, and my deliverer; my God, my strength, in whom I will trust; my buckler, and the horn of my salvation, and my high tower.
31:3 For thou art my rock and my fortress; therefore for thy name's sake lead me, and guide me.
71:3 Be thou my strong habitation, whereunto I may continually resort: thou hast given commandment to save me; for thou art my rock and my fortress.
91:2 I will say of the LORD, He is my refuge and my fortress: my God; in him will I trust.
144:2 My goodness, and my fortress; my high tower, and my deliverer; my shield, and he in whom I trust; who subdueth my people under me.

Isaiah 17:3 The fortress also shall cease from Ephraim, and the kingdom from Damascus, and the remnant of Syria: they shall be as the glory of the children of Israel, saith the LORD of hosts.
25:12 And the fortress of the high fort of thy walls shall he bring down, lay low, and bring to the ground, even to the dust.
34:13 And thorns shall come up in her palaces, nettles and brambles in the fortresses thereof: and it shall be an habitation of dragons, and a court for owls.

Jeremiah 6:27 I have set thee for a tower and a fortress among my people, that thou mayest know and try their way.
10:17 Gather up thy wares out of the land, O inhabitant of the fortress.
16:19 O LORD, my strength, and my fortress, and my refuge in the day of affliction, the Gentiles shall come unto thee from the ends of the earth, and shall say, Surely our fathers have inherited lies, vanity, and things wherein there is no profit.

Daniel 11:7 But out of a branch of her roots shall one stand up in his estate, which shall come with an army, and shall enter into the fortress of the king of the north, and shall deal against them, and shall prevail:
  10 But his sons shall be stirred up, and shall assemble a multitude of great forces: and one shall certainly come, and overflow, and pass through: then shall he return, and be stirred up, even to his fortress.

Hosea 10:14 Therefore shall a tumult arise among thy people, and all thy fortresses shall be spoiled, as Shalman spoiled Betharbel in the day of battle: the mother was dashed in pieces upon her children.

Amos 5:9 That strengtheneth the spoiled against the strong, so that the spoiled shall come against the fortress.

Micah 7:12 In that day also he shall come even to thee from Assyria, and from the fortified cities, and from the fortress even to the river, and from sea to sea, and from mountain to mountain.