For sin was in the world before the law was given; but sin is not taken into account when there is no law.
13. For until the law, etc. This parenthesis anticipates an objection: for as there seems to be no transgression without the law, it might have been doubted whether there were before the law any sin: that there was after the law admitted of no doubt. The question only refers to the time preceding the law.
The apostle here describes the fountain and foundation of justification, laid in the death of the Lord Jesus. The streams are very sweet, but, if you run them up to the spring-head, you will find it to be Christ's dying for us; it is in the precious stream of Christ's blood that all these privileges come flowing to us: and therefore he enlarges upon this...
Commenting on Romans 5:6-21
For until the law, sin was in the world,.... This is a proof of sin's having entered into the world, by one man's transgression of the positive law of God, which forbid him the eating of the fruit of the tree of knowledge of good and evil; since it was in the world before the law of Moses was given: the sin of Adam and...