Then the clans of Judah will say in their hearts, 'The people of Jerusalem are strong, because the LORD Almighty is their God.' (NIV)
And the chiefs of Judah shall say in their hearts, The inhabitants of Jerusalem are our strength in the Lord of hosts, their God. (AMP)
And the governors of Judah shall say in their heart, The inhabitants of Jerusalem shall be my strength in the LORD of hosts their God. (KJV)