"The great redemptive act that freed them from their sins (Rev. 1:5) and established their right to reign as priest and kings (Rev. 5:9) is also what gives them authority over Satan and enables them to overcome Satan and all of his accusations (Rev. 12:11). Satan accuses Christians day and night. It is not just that he will work on our conscience to make us feel as dirty, guilty, defeated, destroyed, weak, and ugly as he possibly can; it is something worse: his entire ploy in the past is to accuse us before God day and night, bringing charges against us that we know we can never answer before the majesty of God's holiness. What can we say in response? Will our defense be, 'Oh, I'm not that bad!'? You will never beat Satan that way. Never. What you must say is, 'Satan, I'm even worse than you think, but God loves me anyway. He has accepted me because of the blood of the Lamb.'"
- D.A. Carson