Exodus 11:4 - Clarke's commentary and critical notes on the Bible

And Moses said, Thus saith the LORD, About midnight will I go out into the midst of Egypt: About midnight will I go out - Whether God did this by the ministry of a good or of an evil angel is a matter of little importance, though some commentators have greatly magnified it. Both kinds of angels are under his power and jurisdiction, and he may employ them as he pleases. Such a work of destruction as the slaying of the first-born is supposed to be more proper for a bad than for a good angel. But the works of God's justice are not less holy and pure than the works of his mercy; and the highest archangel may, with the utmost propriety, be employed in either.