Ezra 10:4-7

4Arise; for this matter belongeth to thee: we also will be with thee: be of good courage, and do it . 5Then arose Ezra, and made the chief priests, the Levites, and all Israel, to swear that they should do according to this word. And they swore.

6Then Ezra arose from before the house of God, and went into the chamber of Johanan the son of Eliashib: and when he came there, he ate no bread, nor drank water: for he mourned because of the transgression of them that had been carried away. 7And they made proclamation throughout Judah and Jerusalem to all the children of the captivity, that they should gather at Jerusalem;