John Wesley on Romans 5:15

Yet not - St. Paul now describes the difference between Adam and Christ; and that much more directly and expressly than the agreement between them. Now the fall and the free gift differ, In amplitude, Rom 5:15. He from whom sin came, and He from whom the free gift came, termed also "the gift of righteousness," differ in power, Rom 5:16. The reason of both is subjoined, Rom 5:17. This premised, the offence and the free gift are compared, with regard to their effect, Rom 5:18, and with regard to their cause, Rom 5:19.