Janet: What do you think happens when people walk through the door? It's the only thing in the universe I don't know.
Eleanor: I don't know either. The wave returns to the ocean. What the ocean does with the water after that is anyone's guess. But as a very wise not-robot once told me, true joy is in the mystery.
Janet: Do you mind if I stay here until you're gone?
Eleanor: Only if you say that thing I taught you.
Janet: I hate to see you walk through the final door at the edge of existence, but I love to watch you leave.
Eleanor: There we go.