{My reward is with me} (ho misthos mou met' emou). It is
Christ speaking again and he repeats his promise of coming
quickly as in verse  7 . He speaks now as the Rewarder (ho
misthapodot(8873)) of  Heb 11:6 . Cf.  Re 11:18  Isa 40:10  62:11 .
{To render} (apodounai). Second aorist active infinitive of
purpose of apodid(936d)i, to give back. Each will receive the
reward according to his own work ( Re 2:23  2Co 5:10  Ro 2:26 ).