KJV : I <1473> therefore <5106> so <3779> run <5143> (5719), not <3756> as <5613> uncertainly <84>; so <3779> fight I <4438> (5719), not <3756> as <5613> one that beateth <1194> (5723) the air <109>:

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NASB : Therefore I run in such a way, as not without aim; I box in such a way, as not beating the air;

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NASB# : Therefore<5106> I run<5143> in such<3779> a way<3779>, as not without<84> aim<84>; I box<4438> in such<3779> a way<3779>, as not beating<1194> the air<109>;