Paraphrase from Warren Wiersbe: The devil tells you a lot of lies about God, but the devil tells God a lot of truth about you.
Dorinda's thoughts: This could be really overwhelming. The enemy is referred to as the accuser of the saints. He could say a lot of really bad things about me--and they would be true. But while the enemy is stating all the bad things I've done, Jesus is standing at the right hand of God the Father saying, "Yes, it's true. But I paid for it. It's already paid for."
It's already paid for.