KJV : Not for thy righteousness <06666>, or for the uprightness <03476> of thine heart <03824>, dost thou go <0935> (8802) to possess <03423> (8800) their land <0776>: but for the wickedness <07564> of these nations <01471> the LORD <03068> thy God <0430> doth drive them out <03423> (8688) from before <06440> thee, and that he may perform <06965> (8687) the word <01697> which the LORD <03068> sware <07650> (8738) unto thy fathers <01>, Abraham <085>, Isaac <03327>, and Jacob <03290>.
NASB : "It is not for your righteousness or for the uprightness of your heart that you are going to possess their land, but \i1 it is\i0 because of the wickedness of these nations \i1 that\i0 the LORD your God is driving them out before you, in order to confirm the oath which the LORD swore to your fathers, to Abraham, Isaac and Jacob.
NASB# : "It is not for your righteousness<6666> or for the uprightness<3476> of your heart<3824> that you are going<935> to possess<3423> their land<776>, but <I>it is</I> because<3588> of the wickedness<7564> of these<428> nations<1471> <I>that</I> the LORD<3068> your God<430> is driving<3423> them out before<4480><6440> you, in order<4616> to confirm<6965> the oath<1697> which<834> the LORD<3068> swore<7650> to your fathers<1>, to Abraham<85>, Isaac<3327> and Jacob<3290>.