John: So, can you do it? Can you take me to the moon?
Dr. Rosalene: We can't, but you might be able to.
Dr. Watts: Why do want to go there?
John: I don't know.
[...]
Dr. Rosalene: It's fine, you can tell us. It's essential for helping us to get you to go there.
Dr. Watts: Do you want the fame? The money? You've got to have a motive.
John: I'm sorry, but I really don't know. I just…do.