turned back: i.e. again and again.
limited. Hebrew. tavah, to set. mark (Ezekiel 9:4), the only other occurrence of the Hiphil. hence, to set. limit.
the Holy One of Israel. This title occurs only three times in the Psalms: here (Psalms 78:41); in the last Davidic Psalm of the second book (Psalms 71:22); and in the last Psalm of this third book (Psalms 89:18).