 How do I know? That's what he goes ahead and says. Verse 12, And speak unto them, saying, Thus speaketh the Lord of hosts, saying, Behold the man whose name is the branch. Who is that? Jesus Christ. The man who is the branch. And to grow up in his place, he shall build the temple of the Lord. See there? He's going to build the temple. That's what Messiah's going to do when he comes to build the temple. Look what it says here in verse 13. Even he shall build the temple of the Lord, and shall sit down and rule upon his throne.