Thou shalt arise, [and] have mercy upon Zion: for the time to favour her, yea, the set time, is come.
Ver. 13. Thou shalt arise and have mercy upon Zion] This he speaketh with as much confidence as if he had been in God's bosom; for he knew the promise of deliverance after 70 years' captivity. See the like Habakkuk 1:12 .
For the time to favour her, &c.] This he understood by books, as Daniel 9:2, and therefore presseth God to a speedy performance. God loveth to be burdened with his own word, to be sued upon his own bond, &c. But besides the promise, the psalmist had another ground of his confidence, and that is in the next.