If it had not been the Lord who was on our side - Repeating the idea, since the mind was full of it, and carrying the thought forward. This is one of the instances of an ascent of thought in these psalms, from which it has been supposed that the title “Songs of Degrees” was given to this collection. See, however, Introduction to Psalms 120:1-7.
When men rose up against us - When we were assailed by our enemies. On what occasion this occurred, it is now impossible to determine.