KJV : And Moses <04872> and Aaron <0175> did <06213> (8804) all these wonders <04159> before <06440> Pharaoh <06547>: and the LORD <03068> hardened <02388> (8762) Pharaoh's <06547> heart <03820>, so that he would not let the children <01121> of Israel <03478> go out <07971> (8765) of his land <0776>.NASB : NASB# : Moses<4872> and Aaron<175> performed<6213> all<3605> these<428> wonders<4159> before<6440> Pharaoh<6547>; yet the LORD<3068> hardened<2388> Pharaoh's<6547> heart<3820>, and he did not let<7971> the sons<1121> of Israel<3478> go<7971> out of his land<776>.