Sin acts as if God's original plan was for us to bootstrap ourselves into holiness by way of the law and then, when this didn't quite pan out, God offered his grace--but only the bare minimum--to make good the difference. This is exactly backwards. God's boundless grace comes first and sin is what follows.
Adam S. Miller, Grace Is Not God's Backup Plan: An Urgent Paraphrase of Paul's Letter to the Romans
god, grace, jesus-christ, lds, mormon, sin