God forbid; he rejects the cavil with his usual note of detestation, as not thinking it worthy of answer. For then how shall God judge the world? q.d. If God were in the least unrighteous, how could he govern the world at present, and judge it at last in righteousness? Which is affirmed, Psalms 96:13, Psalms 98:9. Or, how could he be God and supreme, if he were not just by his nature and essence, and his will the very rule of righteousness: see Genesis 18:25 Job 34:12.
Related Commentaries of Romans 3:6
Romans 3:6
6 God forbid: for then how shall God judge the world?