KJV : If <1437> a man <5100> say <2036> (5632), <3754> I love <25> (5719) God <2316>, and <2532> hateth <3404> (5725) his <846> brother <80>, he is <2076> (5748) a liar <5583>: for <1063> he that loveth <25> (5723) not <3361> his <846> brother <80> whom <3739> he hath seen <3708> (5758), how <4459> can <1410> (5736) he love <25> (5721) God <2316> whom <3739> he hath <3708> (0) not <3756> seen <3708> (5758)?

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NASB : If someone says, "I love God," and hates his brother, he is a liar; for the one who does not love his brother whom he has seen, cannot love God whom he has not seen.

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NASB# : If<1437> someone<5100> says<3004>, "I love<25> God<2316>," and hates<3404> his brother<80>, he is a liar<5583>; for the one who does not love<25> his brother<80> whom<3739> he has seen<3708>, cannot<1410><3756> love<25> God<2316> whom<3739> he has not seen<3708>.