[after Blackthorne's guard prevented an assassination attempt by Rodrigues]
Pilot-Major John Blackthorne: Captain Yoshinaka was right to search him. Was that your idea?
Lady Toda Buntaro - Mariko: Please excuse me, but I was afraid for you.
Pilot-Major John Blackthorne: Sad, isn't it? Not being able to trust anyone.
Lady Toda Buntaro - Mariko: It is not sad, Anjin-san. It is just one of life's most important rules.