Commentaries:
Jamieson, Fausset, and Brown
Therefore—In order that all may be turned from idols to Jehovah, He will now give awful proof of His divine power in the judgments He will inflict.
this once—If the punishments I have heretofore inflicted have not been severe enough to teach them.
my name . . . Lord—Jehovah (Psalms 83:18): God's incommunicable name, to apply which to idols would be blasphemy. Keeping His threats and promises (Exodus 6:3).
The the Septuagint omits the first four verses, but other Greek versions have them.
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