Zechariah 12:5

And the governors of Judah shall say in their heart, "The inhabitants of Jerusalem are my strength in the LORD of hosts, their God.'

Surrounding context

12:4 In that day," says the LORD, "I will strike every horse with confusion, and its rider with madness; I will open My eyes on the house of Judah, and will strike every horse of the peoples with blindness.

12:5 And the governors of Judah shall say in their heart, "The inhabitants of Jerusalem are my strength in the LORD of hosts, their God.'

12:6 In that day I will make the governors of Judah like a firepan in the woodpile, and like a fiery torch in the sheaves; they shall devour all the surrounding peoples on the right hand and on the left, but Jerusalem shall be inhabited again in her own place-- Jerusalem.

Translation and sources