Knowing that of the Lord ye shall receive the reward of the inheritance: for ye serve the Lord Christ. Reward, [ antapodosin (G469 )] of the inheritance - `Knowing that it is from the Lord (the Fountain of reward) ye shall receive the recompence (which will amply amend for your having no possession, as slaves, now), consisting of the inheritance' (a term excluding merit by works: it is all of grace, Romans 4:14; Galatians 3:18; 1 Peter 1:4).
For ye serve. 'Aleph (') A B C Delta, Vulgate, omit "for." Translate as Vulgate, 'serve ye the Lord Christ' (cf. Colossians 3:23; 1 Corinthians 7:22-23).