@Ps 129:1-8. The people of God, often delivered from enemies, are confident of His favor, by their overthrow in the future.
1, 2. may Israel now say--or, "oh! let Israel say" (@Ps 124:1). Israel's youth was the sojourn in Egypt (@Jer 2:2 Ho 2:15).
2. prevailed--literally, "been able," that is, to accomplish their purpose against me (@Ps 13:4).
3, 4. The ploughing is a figure of scourging, which most severe physical infliction aptly represents all kinds.
4. the cords--that is, which fasten the plough to the ox; and cutting denotes God's arresting the persecution;
5, 6. The ill-rooted roof grass, which withers before it grows up and procures for those gathering it no harvest blessing (@Ru 2:4), sets forth the utter uselessness and the rejection of the wicked.