It sent out its boughs unto the sea, and its branches unto the river.
Read Chapter 80
Augustine of Hippo
6. "A way Thou hast made in the sight of her, and hast planted the roots of her, and she hath filled the land" (ver. 9). Would she have filled the land, unless a way had been made in the sight of her? What was the way which was made in the sight of her? "I am," He saith, "the Way, the Truth, and the Life." With reason she hath filled the land. That hath now been said of this vineyard, which hath been accomplished at the last. But in the mean time what? "She hath covered the mountains with her shadow, and with her branch the cedars of God" (ver. 10). "Thou hast stretched out her boughs even unto the sea, and even unto the river her shoots" (ver. 11). This requireth the office of an expositor, that of a reader and praiser doth not suffice: aid me with attention; for the mention of this vineyard in this Psalm is wont to overcloud with darkness the inattentive. ...But nevertheless the first Jewish nation was this vine. But the Jewish nation reigned as far as the sea and as far as the river...