Exodus 9:27

The Pharaoh this time, impressed, it may be supposed, by the spectacle of the storm, confesses his fault, as he has never done before. His penitence, however, as the sequel shews, is not very deep.

I have sinned Exodus 10:16.

righteous … wicked rather, the(with the art.) one in the right … those in the wrong. The words are used not in their ethical, but in their forensicsense, as Exodus 2:13 (where -him that did the wrong" is lit. the wicked one), Deuteronomy 25:1.