O that — These words immediately concern the deliverance of Israel out of that sinful state, in which they now were; which having described, he concludes, with a prayer to God to help them out of Zion, where the ark then was, but principally they design the spiritual redemption and salvation of all God's Israel by the Messiah. The captivity — His captive people. The children of Jacob, as Aaron is named for his sons, 1 Chronicles 12:27.
Related Commentaries of Psalms 14:7
Psalms 14:7
7 Oh that the salvation of Israel were come out of Zion! when the LORD bringeth back the captivity of his people, Jacob shall rejoice, and Israel shall be glad.