וַיֹּֽאמֶר־ל֥וֹ פַרְעֹ֖ה לֵ֣ךְ מֵעָלָ֑י הִשָּׁ֣מֶר לְךָ֗ אֶל־תֹּ֙סֶף֙ רְא֣וֹת פָּנַ֔י כִּ֗י בְּי֛וֹם רְאֹתְךָ֥ פָנַ֖י תָּמֽוּת׃
And Pharaoh said unto him: ‘Get thee from me, take heed to thyself, see my face no more; for in the day thou seest my face thou shalt die.’
Read Jewish philosophical commentary on Exodus 10:28: and classical philosophical sources.