It was never yours.
Yanek: There was a time when we were friends.
Martin: We are still friends.
Yanek: Is that why you use these things to communicate, even on your own side? What kind of friendship is that? We used to believe in the better angels of our nature. We thought this crossing would be the greatest endeavor in the history of mankind.
Martin: It still is.
Yanek: No. It has been corrupted beyond repair.
Volker: You have no idea, Yanek. You've been locked away too long. We've given so much to our worlds. Trading of information, environmental progress, scientific advancements. We must give all that up?
Yanek: It was never yours.