This proves what he had said, that the judgment of God, in that day, will be according to righteousness, or most righteous judgment. Parallel places you will find, Psa_62:12Mat_16:272Co_5:10Rev_22:12. The papists from hence infer the merit of works; but the reward to the godly is a reward of grace, and not of debt. The word apodounai imports not only a just retribution, but a free gift, as in Mat_20:8, and elsewhere. Good works are the rule of his proceeding, not the cause of his retribution: see Luk_17:10.