KJV : The anger <0639> of the LORD <03068> shall not return <07725> (8799), until he have executed <06213> (8800), and till he have performed <06965> (8687) the thoughts <04209> of his heart <03820>: in the latter <0319> days <03117> ye shall consider <0995> (8709) it perfectly <0998>.

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NASB : "The anger of the LORD will not turn back Until He has performed and carried out the purposes of His heart; In the last days you will clearly understand it.

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NASB# : "The anger<639> of the LORD<3068> will not turn<7725> back<7725> Until<5704> He has performed<6213> and carried<6965> out the purposes<4209> of His heart<3820>; In the last<319> days<3117> you will clearly<998> understand<995> it.