KJV : For <1063> I rejoiced <5463> (5644) greatly <3029>, when the brethren <80> came <2064> (5740) and <2532> testified <3140> (5723) of the truth <225> that is in thee <4675>, even as <2531> thou <4771> walkest <4043> (5719) in <1722> the truth <225>.

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NASB : For I was very glad when brethren came and testified to your truth, \i1 that is,\i0 how you are walking in truth.

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NASB# : For I was very<3029> glad<5463> when brethren<80> came<2064> and testified<3140> to your truth<225>, <I>that is,</I> how<2531> you are walking<4043> in truth<225>.