KJV : And the LORD <03068> said <0559> (8799) unto Moses <04872>, When thou goest <03212> (8800) to return <07725> (8800) into Egypt <04714>, see <07200> (8798) that thou do <06213> (8804) all those wonders <04159> before <06440> Pharaoh <06547>, which I have put <07760> (8804) in thine hand <03027>: but I will harden <02388> (8762) his heart <03820>, that he shall not let the people <05971> go <07971> (8762).

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NASB : The LORD said to Moses, "When you go back to Egypt see that you perform before Pharaoh all the wonders which I have put in your power; but I will harden his heart so that he will not let the people go.

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NASB# : The LORD<3068> said<559> to Moses<4872>, "When you go<1980> back<7725> to Egypt<4714> see<7200> that you perform<6213> before<6440> Pharaoh<6547> all<3605> the wonders<4159> which<834> I have put<7760> in your power<3027>; but I will harden<2388> his heart<3820> so that he will not let<7971> the people<5971> go<7971>.