וַיֹּ֤אמֶר יְהוָה֙ אֶל־מֹשֶׁ֔ה כָּבֵ֖ד לֵ֣ב פַּרְעֹ֑ה מֵאֵ֖ן לְשַׁלַּ֥ח הָעָֽם׃
I rzekł Wiekuisty do Mojżesza: "Uporném serce Faraona, wzbrania się on uwolnić lud!
Targum Jonathan
And the Lord said to Mosheh, The disposition of Pharoh's heart is obdurated in refusing to release the people.