Essay for Exodus 7:14

וַיֹּ֤אמֶר יְהוָה֙ אֶל־מֹשֶׁ֔ה כָּבֵ֖ד לֵ֣ב פַּרְעֹ֑ה מֵאֵ֖ן לְשַׁלַּ֥ח הָעָֽם׃

And the LORD said unto Moses: ‘Pharaoh’s heart is stubborn, he refuseth to let the people go.

The Five Books of Moses, by Everett Fox