Zechariah 4:6

4:6 Therefore he told me, “These signify the word of the Lord to Zerubbabel: ‘Not by strength and not by power, but by my Spirit,’ says the Lord who rules over all.”

Zechariah 12:5

12:5 Then the leaders of Judah will say to themselves, ‘The inhabitants of Jerusalem are a means of strength to us through their God, the Lord who rules over all.’