New Living Translation
Even the strongest will quake with terror, and princes will flee when they see your battle flags,” says the LORD, whose fire burns in Zion, whose flame blazes from Jerusalem.

American Standard Version
And his rock shall pass away by reason of terror, and his princes shall be dismayed at the ensign, saith Jehovah, whose fire is in Zion, and his furnace in Jerusalem.

Berean Study Bible
Their rock will pass away for fear, and their princes will panic at the sight of the battle standard,” declares the LORD, whose fire is in Zion, whose furnace is in Jerusalem.

Douay-Rheims Bible
And his strength shall pass away with dread, and his princes fleeing shall be afraid: the Lord hath said it, whose die is in Sion, and his furnace in Jerusalem.

English Revised Version
And his rock shall pass away by reason of terror, and his princes shall be dismayed at the ensign, saith the LORD, whose fire is in Zion, and his furnace in Jerusalem.

King James Bible
And he shall pass over to his strong hold for fear, and his princes shall be afraid of the ensign, saith the LORD, whose fire is in Zion, and his furnace in Jerusalem.

World English Bible
His rock will pass away by reason of terror, and his princes will be afraid of the banner," says Yahweh, whose fire is in Zion, and his furnace in Jerusalem.

Young's Literal Translation
And to his rock from fear he passeth on, And affrighted by the ensign have been his princes -- an affirmation of Jehovah, Who hath a light in Zion, And who hath a furnace in Jerusalem!

Isaiah 31:9 Additional Translations ...