The Kafka paradox: art depends on truth, but truth, being indivisable, cannot know itself: to tell the truth is to lie. thus the writer is the truth, and yet when he speakes he lies.
Let me remind you of the old maxim: people under suspicion are better moving than at rest, since at rest they may be sitting in the balance without knowing it, being weighed together with their sins.
The Expulsion from Paradise is eternal in its principal aspect: this makes it irrevocable, and our living in this world inevitable, but the eternal nature of the process has the effect that not only could we remain forever in Paradise, but that we are currently there, whether we know it or not.