1. Save me, O God! As David was at this time placed beyond the reach of human assistance, he must be understood as praying to be saved by the name and the power of God, In an emphatical sense, or by these in contradistinction to the usual means of deliverance.

2. Hear my prayer, O God! The language is expressive of his earnestness. He was led to this fervor of supplication by the extremity of his present circumstances, which is alluded to in the following verse, where he complains of being surrounded by men fierce, barbarous, and unrestrained by a sense…

4. Behold! God is my helper Such language as this may show us that David did not direct his prayers at random into the air, but offered them in the exercise of a lively faith. There is much force in the demonstrative adverb.

5. He shall reward evil unto mine enemies As the verb ישיב, yashib, may be rendered he shall cause to return, it seems to point not only at the punishment, but the kind of punishment, which would be awarded to his enemies, in the recoiling of their wicked machinations upon their own heads.

6. I will freely sacrifice unto thee. According to his usual custom, he engages, provided deliverance should be granted, to feel a grateful sense of it; and there can be no doubt that he here promises also to return thanks to God, in a formal manner, when he should enjoy an opportunity of doing so.