וַיְחַזֵּ֥ק יְהוָ֖ה אֶת־לֵ֣ב פַּרְעֹ֑ה וְלֹ֥א שִׁלַּ֖ח אֶת־בְּנֵ֥י יִשְׂרָאֵֽל׃ (פ)
I ukrnąbrnił Wiekuisty serce Faraona, i nie uwolnił synów Israela.
Targum Jonathan
But the Lord strengthened the design of Pharoh's heart, and he would not release the children of Israel.