Ezra 10:4-7

4Arise; for the matter belongeth unto thee, and we are with thee: be of good courage, and do it.

5Then arose Ezra, and made the chiefs of the priests, the Levites, and all Israel, to swear that they would do according to this word. So they sware. 6Then Ezra rose up from before the house of God, and went into the chamber of Jehohanan the son of Eliashib: and when he came thither, he did eat no bread, nor drink water; for he mourned because of the trespass of them of the captivity. 7And they made proclamation throughout Judah and Jerusalem unto all the children of the captivity, that they should gather themselves together unto Jerusalem;