Is the Perfect Vision of God Causative of the Virtue of the Blessed?

"A sin is not at root choosing misery," he says. "What I'm doing in sinning is choosing, you know, what seems to me my own immediate good over a good that I recognize is belongs to another." He adds: "The very fact that it's rational means that it's also good for me, right? That you're beginning to touch the start of that paradox"