Classical material not listed by Torah Temimah under this passuk (EXTRA).
Core Text — EXTRA
וַאֲנִ֥י אַקְשֶׁ֖ה אֶת־לֵ֣ב פַּרְעֹ֑ה וְהִרְבֵּיתִ֧י אֶת־אֹתֹתַ֛י וְאֶת־מוֹפְתַ֖י בְּאֶ֥רֶץ מִצְרָֽיִם׃
English: “And I will harden” — \ldots it is justice before Me, for they had already lost their freedom [by prior choices].