KJV : Holding forth <1907> (5723) the word <3056> of life <2222>; that <1519> I <1698> may rejoice <2745> in <1519> the day <2250> of Christ <5547>, that <3754> I have <5143> (0) not <3756> run <5143> (5627) in <1519> vain <2756>, neither <3761> laboured <2872> (5656) in <1519> vain <2756>.

---

NASB : holding fast the word of life, so that in the day of Christ I will have reason to glory because I did not run in vain nor toil in vain.

---

NASB# : holding<1907> fast<1907> the word<3056> of life<2222>, so<1519> that in the day<2250> of Christ<5547> I will have reason<2745> to glory<2745> because<3754> I did not run<5143> in vain<2756> nor<3761> toil<2872> in vain<2756>.