Zechariah 4:5-7

Then the angel who was speaking with me answered me, “Do you not know what these are?” And I said, “No, my lord.” Then he said to me, “This [continuous supply of oil] is the word of the LORD to Zerubbabel [prince of Judah], saying, ‘Not by might, nor by power, but by My Spirit [of whom the oil is a symbol],’ says the LORD of hosts. ‘What are you, O great mountain [of obstacles]? Before Zerubbabel [who will rebuild the temple] you will become a plain (insignificant)! And he will bring out the capstone [of the new temple] with loud shouts of “Grace, grace to it!” ’ ” [Ezra 4:1-5, 24; Is 40:4]