Éxodo 4
King James Version
21And the LORD said unto Moses, When thou goest to return into Egypt, see that thou do all those wonders before Pharaoh, which I have put in thine hand: but I will harden his heart, that he shall not let the people go.
Reina-Valera 1909
21Y dijo Jehová á Moisés: Cuando hubiereis vuelto á Egipto, mira que hagas delante de Faraón todas las maravillas que he puesto en tu mano: yo empero endureceré su corazón, de modo que no dejará ir al pueblo.
World English Bible
21The LORD said to Moses, “When you go back into Egypt, see that you do before Pharaoh all the wonders which I have put in your hand, but I will harden his heart and he will not let the people go.