EXODE 8:15

Et les magiciens dirent à Pharaon: C’est le doigt de Dieu! Le cœur de Pharaon s’endurcit, et il n’écouta point Moïse et Aaron, selon ce que l’Éternel avait dit.

But when Pharaoh saw that there was respite, he hardened his heart, and hearkened not unto them; as the LORD had said.